Undertale AU Fanon: Threat tier list

Hi there, this a system/list that is here to show the threat level of what your character, item, verse, and so on may be in the Undertale AU Multiverse. It is a list divided up into seven tiers that each go up in power. You may add an individual, group, AU, or verse, and others that you think falls into a layer by adding them to the list of known users. Linking users towards their pages, if they have any is optional, but preferred. Make sure to add credit to the person or people who made the character.
There can be only one character for the one pop-culture example. You may only add a pop-culture character if that character is considered popular enough among the AU fandom. You may replace the pop-culture character if the individual is either; more popular than the current example or if the person/monster is a better representative of that tier. You may also replace the images of the layer if they are a better representative of that tier or to fit the pop-culture example.
You are allowed to use this tier list for any character; it's ok, but don't force it on others.
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== Siginificantly Below ==
 
A character/item that one's threat is significantly below average, even when compared to Undertale's weakest monsters or protagonist. 
=== Known users ===
* Core!Frisk(DokuDoki); The author states that they are unable to lift anything heavier than a plateful of papyrus spaghetti.
*Celestial! Sans(Yasha Rulzz); The author essentially states that a Froggit can kill him in an instant without breaking a sweat.
*Custom-Verse "The Oracle." He is stated, despite being Omnipresent and Omniscient, to be able to be killed by one blow from Killertale Papyrus, who is extremely young and unskilled.
*Bargain Bin OP Sans (Croxxy) - Despite being essentially a god, he is so powerful his power cancels out, meaning somebody literally poking him would kill him. Also a joke about how many OP things are on here.
*Snowman (Undertale); Is a sentient being who can talk and feel but can't do anything else
*Jerry; Makes other enemies attacks harder but has no attacks to call his own. He's Jerry what did you expect.
== Standard Threat ==
A character/item that is akin to an ordinary threat, comparable to Undertale's average monster threat level.
=== Known users ===
* Undertale's monsters(Toby Fox)
* Underswap monsters(Community)
* Underfell monsters(society)
* Horrorfell monsters(Sour-apple-Studios)
* Omega Timeline(DokuDoki); There may be characters who are weaker or stronger than this tier that is inside the Omgeatimeline. But overall, it seems that the omega timeline mostly consists of layer two characters.
*Epictale's Monsters(yugogeer012)
*Altertale monsters(friisans)
*Custom-Verse Underfell Flowey (DarknessReaper9); It is stated without items, He's only the strength of an average monster. He mostly uses items as a crutch.
*Tournament!Tale Sans (current)
*River Person (Underswap: Puzzle of The Mind): Used to be trapped in the void, but when he got out he lost his powers. He is the strongest monster, due to the fact it i unknown how many LV 20 hits he can take.
== Underground Striker ==
A character/item that is a threat towards an entire underground but can not directly annihilate the AU itself for whatever reason.
=== Known users ===
* Asgore(Undertale); Asgore is said to be the strongest monster in the entire underground. When someone did the math for the total amount of damage Asgores fight does, it came out at a 3500 dmg, 100 more than sans; that's Asgore holding back, wanting to lose. Undyne couldn't land a hit on him.
* Asgore(Underfell)
* Toriel(Underswap)
* Toriel(Undertale)
*Temmie (Underswap)
*Flowey (Undertale)
*Undyne(Undertale); Via her Undyne the Undying form.
*Player(Underplayer); It is possible that they may be a threat to an AU; they seem limited, affecting only the entirety of the underground, not the AU itself.
*Frisk(Undertale); They have the power to kill all the monsters in the underground, but not the AU itself.
*Geno!Sans(TheCrayonQueen); Geno is Sans but he injected DT into himself, which allows him to be nigh-immortal with the exception of if he leaves the SAVE screen, he will die.
*Afton!Sans(TeamEclair); Afton!Sans is a Sans body controlled by a spirit of another. They have the ability to kill the all of the Underground, and hold their own against Delta!Sans, but nothing really above that.
*KARMA Sans (UnderPlus by Quantis1); His high amount of determination allows him to reset some AUs, but his potential of destruction can’t go beyond destroying a city in one day.
*Time Breaker Sans ( Needlebeetle22000 ); While he can send anything to the past with his revert blaster he isn't able to destoy a au due to his powers besides time freeze not affecting the au itself, and time freeze itself isn't that good.
*Enigma!Sans(Bruhtaro); Very powerful sans, strong physical attacks e.g : having more defense and can punch people into buildings, can also presist death and survive in the void because of his Half-Determination. but he cant destroy an entire au.
* Delta!Sans(AnimatedZorox); Delta Sans is basically Sans but enhanced by the Bravery soul. He has been shown to have proven to be a match for Cross!Sans and a possessed Horror!Sans, though Delta barely won that battle.
*Nightmare(Jokublog); Nightmare's most potent feat was city-level destruction putting him into tier three.
* Syno!Sans(SHADIKAL15); Syno is, according to the Alphaverse page on the Alphatale wiki, a twin Universe of Aftertale. According to Error404's henchman list on his article, it says that Syno is placed up higher than Nightmare!Sans.
* Dream(Jokublog); Dream has taken out Nightmare and hurt him multiple times beforehand, proving that he might be more potent than Nightmare. Dream might secretly be a tier four.
*bioshock!sans ( needlebeetle22000 ) his 3 best moves,overdrive,outage blaster and bio bolt, have enough power to destroy a entire part of the underground, but can't affect a au
*Burst!Sans(Hypothetical TNT Yeeter); Burst at full power is capable of destroying entire planets but his most powerful attack, while being able to destroy a universe, would leave him with no energy and on the brink of death.
*Custom-Verse Underswap Sans (DarknessReaper9); He has shown the ability to destroy entire Galaxies, however it is shown he cannot destroy AUs without outside help.
*NR!Sans(Strangermemer); In his current state he can at most destroy city’s with his attacks. His full power in his current state would put him at tier 4 but he has a hard time doing so.
*Ultra Sans, he is sans powered by 6 human souls
*“Sans”/Malware(User:The Almighty Emerald); As of now, Malware’s strength in abilities is comparable to beings such as Fatal!Error, but he still isn’t able to destroy whole universes.
*Synergy (Strangermemer) While they’re a very powerful being their strongest attack can only destroy a timeline and that attack nearly kills them. Despite their wide array of abilities they simply aren’t strong enough to be considered an Out!Code.
*Gamma!Sans (Strangermemer) While a powerful foe he is definitely not powerful enough to compare to Ink, who can challenge error, who can utterly decimate Thought!Sans, who is ATLEAST 7x more powerful. Yea no.
*Wealthy Sans (User:TheEnigmaticEncounter) Wealthy Sans is powerful but not powerful enough to destroy an entire AU, Wealthy Sans has about the same amount of power as Geno!Sans.
*SaveEdit!Frisk (StarredSansPerson) SaveEdit!Frisk can manipulate the code of reality.
*DeadTale Sans: powerful as a human soul 
*LethalTale!Sans (Keion15) Lethal Is a Sans with high LV along with Determination, He has wipe out the entire underground in His AU with help from the human and his Brother. 
== Out!Code Character ==
A character/item that is limited towards being a threat towards one AU; they may come close to two but still limited for whatever reason.
=== Known users ===
*Fallen!Symbol (Feartheunknown2104): Fallen!Symbol Sans is the future moderator of the Multiverse. He is extremely hard to kill, but isn't extraordinarily powerful in attack terms. He tends to avoid any kind of confrontations, and actively seeks to keep the Multiverse in balance. This makes his threat level somewhat low.
*Radiant!Sans(SplatForce/NotAnAnimator): Radiant is the future Protector of the Multiverse. He can be controlled and separated from sense and reality by a few words, he can cause multiple genocide routes and the end of an AU if commanded to do so. Luckily Radiant can fight against his instincts to follow the commands.
*Epic!Sans(Yugogeer012); Epic is a fusion of Sans and Gaster that has managed to destroy his own Universe.
*Cross!Sans(Jakei/Underverse); Cross, as demonstrated in Underverse is capable of stealing a Universe's code to try and rebuild his own.
* Thought!Sans(Tratsneroyve); The Thought is essentially Sans but powered up by seven human souls. Because of this, one could assume that he is now somewhere around Asriel Dreemurr's god form level.
* Asriel Dreemurr God Form(Undertale); Asriel's god form has been shown to completely manipulate the entire timeline, even erasing the memories of all of the boss monsters.
*blackgas!sans ( needlebeetle22000 ) by using shadow veil he can destoy a au with ease. but is weakened heavily afterwards.
* Alpha!Sans(SHADIKAL15); According to his article on the official Alphatale wiki, Alpha!Sans has the potential of being as powerful as six Thought!Sanses.
* Ink!Sans(Mye Bi(Comyet)); Ink has shown a possible potential to destroy two or more AU's but has never directly presented it.
*The first fallen(Undertale); At the end of the genocide route, they erase the entire AU the player resides.
* Average outcode characters(Community); In most cases, outcode characters are threats to a single AU rather than two or more.
*Omnipotent!Sans(Alphatale, SHADIKAL15); Is said to be able to stun if not completely obliterate Thought!Sans, a Sans powered by seven human souls.
*Custom-Verse Underfell Sans (DarknessReaper9); It's shown with his full power, he has the strength to destroy One entire AU.
* DeltaDust!Sans(Trigger!Maniac); Although not being able to destroy AU's himself, within a short time (but not too short), DeltaDust can leave an entire AU empty of it's characters. Leaving an AU empty of it's characters can be equaled into erasing an AU itself, and if a problem causer like that isn't stopped, there will be some major problems the multiversal gods need to fix. Also, if said AU is left out for WAAAAY too long, it will soon slowly fade away, which is equal to destroying an AU itself.
*Duality!Sans: Also can leave an entire AU empty of it's characters.
*Meld sans (Wildwolflaps) Although his stats are not very high, his abilities and knowledge more than make up for it
*LV sans(Powertransfer sans);he can't technically destroy an AU but Everywhere he goes the virus from his Au goes Virus can make people kill themselves
*Starred!Sans(Storm54); He's definitely powerful enough, but he wouldn't. He has picked up many skills from various universes, and is extremely powerful at his best.
*Critical Failure!Sans(Darksirrolotoe); Critical can destroy an entire Au with his ability to manipulate coding around, but he is a inexperienced fighter, so his full potentials hasn't been seen yet, and because of this, it maybe possible for him to destroy more then one Au, if he was to reach his full potential. He only has 2 years of fighting experience.
*M.A.L.I.C.E Synergy (Strangermemer) Using this form Synergy can destroy an entire AU in a day atleast.
*Etherreal!sans (Xenotale) Being able to survive two multiverses colliding, with phantasmal!frisk's remaining determination his power increased vastly and he is able to destroy an entire AU mostly using determination chains which can destroy massively (btw xenotale is my username not an AU)
*Omega Flowey (Undertale)
*
== Multi Threat ==
A character/item that is a threat towards two AU's or a cluster of them, possibly affecting portions of the multiverse if the bunch is big enough.
=== Known Users ===
*Terror!Sans (Feartheunknown2104, SplatForce, The Almighty Emerald): Terror!Sans is the futuristic (even more) insane, "error" Horror!Sans. He can corrupt the code of almost any AU/Being and has abilities that make him very difficult to battle.
*Regret!Sans(SplatForce/NotAnAnimator); Regret is able to use a virus's abilities to corrupt and infect multiple Aus and destroy them at once. He can only corrupt and destroy 4 to 6 aus at a time, to prevent any spread of corruption. He protects the balance in Timeline IV
*Inferno Sans (keion15) Inferno Sans Is the God of the Underworld and He have FIre and Darkness magic which he can use to Destroy Aus if he wants to and He can use Fire Chains to Souls Enemies Souls and He is the brother of Ghost and Mercenary Sans.
*Error!Sans(Crayon Queen/Loverofpiggies); Error is able to string up two or more AUs at once without the outside help of someone else, a location, or an item. Its unknown if he has a limit to how many AU's he can string up at once.
*X-Gaster(Underverse); X-Gaster can affect multiple timelines at once with the power of OVERWRITE; It is unknown if he has a limit.
*BlackScreen!Sans(Hypothetical TNT Yeeter); BlackScreen can destroy entire Aus with relative ease and can beat Ink and Error simultaneously when using his full power though not without effort.
*Viral!Error(Hypothetical TNT Yeeter); Viral!Error can destroy Aus with relative ease and is as powerful as BlackScreen
*Fatal_Error(Xedramon); Aftertale!Sans after Error!Sans tried to eradicate him, this ultimately failed and resulted in FATAL Error. He has proven to be a match for Error as he has been shown to have broken his arm.
*Puppet Master Sans(Sansfan1563): Puppet Master Sans is said to be stronger than fatal being able to control other life forms that are at 1 hp with his strings and could beat up error with his own arm to the point error screams uncle.
*RainbowScreen!Sans (a collaboration between Well heck and Hypothetical TNT yeeter along with grammar assistance by the1thedoge) Rainbow can destroy universes with relative ease and was able to beat the crap out of BlackScreen!Sans. He also made it seem like Terminal!Crisis got hit by an fully grown adult.
*Void (Quantis1); Even without getting the power of Reset the Entire Multiverse, he could destroy multiple AUs at once.
*M87 Sans (Heydude12) M87, At quarter power is enough to destroy at about 3 AUs, though half power and full power has not been tested yet..
*King Multiverse(Alphatale, SHADIKAL15); Is said to be completely immune to buttons and can control gods such as Ink!Sans and Error!Sans. He can also reset other Out-Code characters back to their former forms before becoming said Out-Code.
*PUPPET404(Sansfan1563): PUPPET404 is when Puppet Master Sans merges with a small portion of 404s power allowing him to barely beat king multiverse in a battle.
*crash404 ( needlebeetle22000 ) crash404 is the works of a failed experiment on making " the perfect character " crash404 can wipe only about 2/1000 of the entire multiverse at a time.
*Infected/Mix!Sans(SHADIKAL15); Responsible for the destruction of Alphatale.
*Necromantic!Sans(Darksirrolottoe); Although non of Necromantic!Sans abilities can destroy an Au. His sheer anger has been capable of destroying an Au and any other Au surround that one Au Necromantic!Sans was in. The creator of Necromantic!Sans, explain that Necromantic!Sans anger grew so numerous, that even Error!Sans grew slightly afraid of him. Necromantic!Sans had killed a tremendous amount of alternative character over his years within the Multiverse. The creator of Necromantic!sans also quotes. "Necro has never actually used 100% of his power on anyone, besides Error, due to just how powerful he is."
*Error502 ( Well heck ) Okay, now he leveled up. He can destroy an entire portion of the multiverse, although he has to use 100 percent of his power, which kills him.
*Heather Greypheonix ( Well heck ) Heather can completely erase parts of the multiverse with MASTERED reset.
*Sabor sans (dark!insanity!sans) sabor with the destructive power of his blasters and Nealy infinite stamina is able to surpass most beings
*Alert sans a sans that was created by a being in a higher tier, whos sole purpose is to help empty out and drag AUs into the beings dimension for total control over said Aus, killing anyone with little to no hesitation that tries to stop him from his job
== Multiverse Threat ==
A character/item that poses a threat towards an entire multiverse, including its traits that make it up. There may be some exceptions, as most multiverses' are different.
=== Known Users ===
*Night!Error(Nighterror!Sans and 13); Via the Omega Reset button.
*Aeon!Papyrus(Eternal Loser); The author states that he has a virtually unrestricted control over the very concept of time, on a scale which could affect the entire Multiverse.
*WD!sans phase1(W.Dtale) can end an multivereses but he hads an limit in his power.
*Virus404!Sans(By DARTHROOM)Primarily helps Infinitey Code with rather large tasks or significant schemes. Virus404 is on a Big mission no one but Infinitey Code knows what this mission is. He's 2nd In Command of CommCrusaders of Infinitey, He Was The Big Multiverse Threat Because Of His Power.
*Loading(Alphatale, SHADIKAL15); Loading is a Fail-safe that the Mainframe created as so to prevent things from breaking the rules of the Reality they all reside in.
*Error404!Sans(Alphatale, SHADIKAL15); The author essentially states that if Error404!Sans were to become any more powerful; he would end up destroying the multiverse.
*Dead! Sans(Phase 1, Corrupt Void, By: Qwertywasd12121); This Sans is essentially immortal as you need to give him HP then take it away to kill him, let alone his ridiculous attacks that are nearly undodgable and attacks that deal 2^640-1 damage.
* Error666!Sans(The Alphatale version, SHADIKAL15); Error666 is a fusion between Error404!Sans and Error!Sans. He is said to be able to move at incredible speeds and can cause potentially devastating damage with his Master Cables.
*Skeleverse Skeletons: The skeletons of Skeleverse (all skeletons, not just sans aus) are much more powerful then in other multiverses though they do not use their full power due to knowing how much damage they could possibly do. Papyrus aus and ship children are the weakest, sans aus are next strongest and then gaster aus, this may vary based on the character but overall this is the power tear. For an example on how much more powerful Skeleverse skeletons are Skeleverse Nightmare!sans is as powerful as a god in other multiverses. (he is not a god in Skeleverse)r
* Courage!Sans ( Well heck ) This skeleton is the reason for a lot of AUs still existing. At 1-50% He can defeat all characters 1-5, and at 100% All of tier 6 and even some weak tier 7s. He goes behind the scenes and takes down AU destroyers. 
*Tournament!Tale Sans (Future; can grow more once he reaches this): Just read his page
*Error666!Sans( FortsKing) His Ability Turncoat takes his opponents attacks grabs it and throws it back in a ball. This Is able to destroy multiverses.
*Fuhai: Fuhai is a type of parasite and is gas-like in nature and able to infect hosts by being breathed in or being forced in. It/he strives for power and in the multiverse Skeleverse, in one of the future timelines to be exact, it/he has taken over Ink, Error, Nightmare, Shattered and Fatal-Error. It/he is not without faults though as whenever it/he takes over a being their power is downgraded by 50% whille infected, so though Fuhai is powerful it/he will never be able to control the full power of a host. It/he is weakened by positive magic though it takes quite a lot to free a host from it/him. His name means corruption in Japanese.
== Beyond Limitations ==
A character/item that is a threat to a multiverse and beyond it. It can vary from two multiverses or the entire omniverse.
=== Known Users ===
*Unknown!Sans: Unknown!Sans is the Omniversal Manifestation of an Author/Creator
*B.U.T.T.E.R.F.L.Y(SHADIKAL15); BUTTERFLY was once Error404!Sans' most powerful form until BUTTERFLY666 was eventually created. This form supposedly has the power of the entire Multiverse and can allow Error404!Sans to take full control over existence itself.
*Possible Spaghetti brother(Community); He is tier infinity, yes, indeed, such hmmmmmmmmmm.
*B.U.T.T.E.R.F.L.Y.6.6.6(SHADIKAL15); BUTTERFLY666 is an even more powerful version of Error404!Sans' BUTTERFLY form as it is said to be the most powerful being in the entire Multiverse and beyond. It is said to have killed an Unnameable with one of it's moves, Unnameables are beings of nigh-unstoppable power if you didn't already know that.
*JUST404(SHADIKAL15); JUST404 is a nearly unkillable sans that can destroy both the soul and code of a target at once and has eyes that can terrify even infected while having all of normal Error404’s transformations.
*Infinitey Code (DARTHROOM) was Potentially the most vile Omniversal threat when released from his prison
*QWERTY (Hypothetical TNT Yeeter) Controls all code throughout all fandoms. Need I say more?
*Error 0XXX (Hypothetical TNT Yeeter) Capable of severely damaging he Omniverse to the point of near collapse. Rivals Error 666 in terms of power
*Future!NR!Sans (Strangermemer); The future version of NR!Sans was able to survive attacks from Infinitey Code and was shown to be able to withstand a very weak attack from the ISM himself. This is likely due to him being blessed by entities outside of this fandom with INSANE power.
*Custom-Verse Infected Sans (DarknessReaper9) Infected has shown the ability to decimate AUs, and even entire Multiverses with relative ease. He, despite being not even closely a match for Gaster or X-Gaster, is still potent enough to easily surpass both Error and Ink, even in their final forms. Defeating both with relative ease. He can even defeat Error404, who was able to create an Entire Hyperverse, even without his E.N.D.G.A.M.E. Form. He was able to almost defeat Alpha Sans, Papyrus, Frisk, Error404 Sans, Papyrus, and Chara. All at the same time. 
*Ballistic the hitman (Mr. 0uterverse) Ballistic is able to control any weapon perfectly, all their power increased googolplex-fold. He can easily decimate hyperverses, multiple at his complete power. He can control shadows, no matter who's it is, as well as travel through shadows around the universe. His Impropability Drive can cause a random effect, ranging from giving someone a weapon and causing an earthquake, or destroying an entire omniverse, but that is rare. 
*King Omniverse Sans (Keion15): King Omniverse Is the King of the Omniverse and He control/Command the beyond Gods that below him and He can destroy a Bunch Omniverses easliy with his Abilities.
*RONNIE (ArcticWeirdo) As a somewhat god, they are capable of all kinds of destruction.
*Magistri Tempus (Rawmeat is a fem) Being the god of all time, who had which created the Omniverse. MT is extremely powerful. Due to being the embodiment of time itself. If MT dies, all of time collapses, and anything lesser than itself perishes. Though, this doesn't happen if MT has enough vessels.
By the time I'm done typing this... it's already happened, and we are just lucky enough to be in another timeline... 
== Omniversal Threat (Unofficial) ==
This is Reserved for characters that go to Infinite Dimensional Status, and can decimate entire Omniverses.
* OMNI-GOD TEMMIE ( Well heck ) Omni-God Temmie is truly callosal in power, dwarfing even Infinity Code.
* Malgon (Overlord 427); The author states that upon reaching his original form, Malgon can destroy the Omniverse and beyond\
*4th Breaker Z! sans:A skeleton that is betweeen reality and fiction.close to the power of creator but can be yeeted by ISM still can destroy a lot.the power level of him is unknown but he is weaker than ISM so I put him here
*POLISH DANCING COW - Tylko jedno w głowie mam koksu pięć gram odlecieć sam ( polish cow language ) he is beyond most OCs. Even being able to stall ISM for 10000 years.
*All joke characters (Except for Troll!Sans due to the fact his power transcends the tier list.)
*The ISM is going to take over the outer verse, he would be on tier infinity or tier 9
*Void Hack Custom-Verse Infected Sans (DarknessReaper9) Due to Hacking The Void, He was able to harness extreme amounts of power. With The Complete Powers of The Void Hack, he has shown the ability to decimate an entire Omniverse. It is unknown as of yet if this is his full power, or if he has yet more. It is likely this is his full power, however.
*GAY!INK SANS: This Ink Sans want Blueberry, that just KILLS all Omniverse XD
(Nearly all of hypothetical tnt yeeter’s characters that are tier 7 would go here)
== Outerversal Threat (Unofficial) ==
These are characters which surpass Dimensions, and can destroy entire Outerverses.
*Super duper hyper omega ultra giga tera mega yotta zeta sans ( Satan himself ) This being was made by satan, and even he fears his creation. This being can go into the real world, but only at a specific time after a specific ritual.
*Custom-Verse Gaster (DarknessReaper9) Gaster created The Entire Outerverse of AUs himself. He is stated that he could also probably destroy it.
*Temmie (Her parents?) Temmie can control an army of temmies and is equal to toby in power.
*The Forgotten OC (Hypothetical tnt yeeter); a being far more powerful than even the ISM, TFO has shown himself capable of obliterating outerverses with ease and has puppet mastered nearly all evil entities in the entire fandom.
*Corrupted reality!Gaster Omega404's creation a bit weaker than him (incomplete )
*L0G!C (Hypothetical tnt yeeter) Conceptual entities are outerversal by default.
* God404 Sans’s name is not without a reason, he is literally the God of the Omniverse and beyond, he can destroy Alpha404, Omni404, B.U.T.T.E.R.F.L.Y, and O.V.E.R.K.I.L.L without a sweat, which is why he is here, he is essentially Error404’s fourth and buffed phase.
*Ink Astley; He never gonna give Alpha Sans up, so SAY GOODBYE!!!
== Cosmoversal/Numberversal Threat OR above(unofficial) ==
The max power a fictional entity can reach (can destroy everything in the fiction with just a blink or some can destroy multiple fictional numbverses with a ease)
*Gary Sue super secret form (Hypothetical TNT Yeeter) Imagine Gary sue except he literally has a portion of metaversal power. While his beyond form has some of the power of a creator in his secret form he has literally been blessed by TMY.
*Sans/The Creator:creator of almost anything.is low numbversal or high numbversal
*N.O.S.T.A.L.G.I.A TFO (Hypothetical tnt yeeter) Is low numberversal.
*Generic op character!Sans (Hypothetical TNT Yeeter) lol he can one shot beyonder lol
* Dust!Dust!Insanity!Insanity!Fell Sans Phase 999999; HE JUST CAN DESTROY ALL NUMBERVERSAL INTO NOTHING!!!!
*The Beyonder (DarknessReaper9) He transcends The Fandom Entirely. Therefore transcending even Joke Characters and the like. Technically, this list isn't accurate to him, due to transcending the fandom. He can effortlessly defeat Outerversal Entities. His only real weakness as of now is authors, as they can still simply write him out of existences
*Omni-god shrek he is one of the most powerful beings in all of fiction, far supparsing The Infinity Spaghetti Man and Gary Sue, 
==Beyond the 4th Walls (unofficial)==
The maximum power any author or real being can reach. The final tier. No OCs can reach this tier.
*The Players (IRL people) are usually the ones behind the Action of Chara and Frisk in Undertale, as well as Kris in Deltarune. They can modify both games to their own design if they're tech-savy enough.
*Creators (IRL people) are the most powerful beings in the Fictional Omniverse. The most popular example would be Toby Fox himself, with his avatar as the Annoying Dog. Not only did they both created and destroyed all that was listed before them, but they also collectively control the fate of the Omniverse through their stories.
*The Meta Yeeter (Himself AKA Hypothetical TNT Yeeter) An avatar that became his creator because yes.
*DarknessReaper9 The Critic. AKA a Very Buffed Spongetale Patrick. (Uh- His Parents?) Basically Just a writer who hates other writers' creations and also hates ships. He also likes some creations
*TMY (Hypothetical TNT Yeeter) A metaversal being that is an author.
*Ross the Turtle; The main form of Feartheunknown2104's SOUL. Being the SOUL of an Author/Creator, he has powers similar to that of Toby Dog's, albeit somewhat weaker. He can create new Universes, Characters, and even Multiverses by himself, but has much more difficulty destroying them. He exists most of the time in the TurtleVoid.
*Creeper!Sans; He come you tonight and destroy you XD
*Corrupted Core Sans(HİS PARRENTS???)is a vessel for his creator,an avatar and can kill every oc easily.he acts like a oc but he is a avatar and even if he seemd like weak or dead he is beyond everything.his powers coming beyond the 4th wall make him inchomperesible to any kind of oc.even numbversal ones.his only weaknesses are moderators and other avatars.creators can write him out of exsistance but he will always live in his ırl body/creator and in the godverse.he is a godverse mod and that makes him more powerfull than other avatars in fiction exept toby.his metagodity form is not him and his creator so he totaly fits here. as a avatar he is powerful,and is the limit of the possible power leveln in a fictional verse
*The Infinity Spaghetti Man (Irl person) ISM has been embodied by an author/creator. Thus giving him his normal OC powers, and Author/Creator powers.
*Mcfat101; Oh no, The Shrek Cult is growing at a rapid pace thanks to Mcfat101, oh noes.
*Fear!Sans; An avatar of a creator that’s gone mad from boredom who now seeks to plunge the Omniverse into chaos and destruction not even the Godverse is safe from his wrath. 
=== The true limit line would limit any further power, so this would be the final tier. ===
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== Characters with an unknown threat level (unofficial) ==
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These are the ones with an unknown threat level or the ones that haven't shown their true potential(pls don't use this to create charecter strong as toby or whatever or don't say that iF hE sHoWs hİs TrUe pOwR ToBy wOuLd Die AKoeıctföofcgsgpd ext pls)
*Fused Code Sans: He would be a tier 7, but his mini thanos snap of his that deletes anyone he wants as long as they are stronger than him. He has never done this, and thus, his full power is not quite stated. However, if he used it, it would give Toby a gangrene on his tail at most. Add his newer abilities and Toby will have a huge headache.
*Zer0 (SomeXtraArt): its unknown how powerful he can be but was able to destroy his timeline when his emotions consumed him
*Incursion!Sans
*Xerox!Sans His power level can't be determined because he can copy the abilities of any being even overpowered ones except with half the power, but that's still strong. He cannot die as long as the souls are not in their bodies he also has the abilities of souls and his teleportation is beyond everything except he can't teleport into reality however, I CAN EDIT WIKIS dumb author. as WELL as the fact I can manipulate any story I am in as long as I'm talking in 1st person, this can be taken temporarily by the Auth but I DON'T FLIPPIN CARE because my 4th wall ability is beyond all else *smirks, I can communicate with my past or future self in stories as WELL as talk directly to the Auth.
*Callibri (made by TMagicGamr)is capable with the ability stealing ability since he can copy entire code lines into himself, so therefore if he has the reason and drive to do it, he can copy all the abilities of every OP character in the omniverse, destroying everything with just a thought.
*Prime Possible Spaghetti Brother
*nightlight!sans ( needlebeetle22000 ) he, for dealing 100 damage with every attack and being able to literally mess with people, has low defense so it's hard to think of where he would go
*Dead! Sans(Phase 2, Corrupt Void, By: Qwertywasd12121); Can't be killed ever, he has immense data manipulation powers, time powers, and can even delete everything without anything holding him back, low chance of him doing this though as it's difficult to get him into Phase 2. Plus, the only reason he would do this is to reset everything.
*Error!____!Sans/Entity:Type Null(Darksirrolotoe): Error!____!Sans is a extremely secretive figure, who has never been seen fighting ever, and entirely dislikes confrontations as he views them as merely childish actions, so what he is capable of doing is completely unknown, and what type of powers he has is also completely unknown as well.
*Z-Tale!Zanz(Darksirrolotoe): Zanz dislikes having to fight, as such, he tends to stray away from fighting, but has claimed to be powerful enough to kill all of humanity, if he wanted too with relative ease, if he wasn't trapped in the Undergrounds like every other monster in his AU. REDİCTED He cannot be beaten, hes power level is so much that nobody could stand a chance agaist him. (Not sure where to put REDİCTED since he would be DATA EXPUNGED)
*Papyrus (Undertale): Papyrus seems to be a normal monster but his special attack was eaten by a dog. He is also holding back during the fight so who knows how strong he is. Undyne says he is strong but too kind to hurt anyone. He is also the only character who will not kill the player (it is possible to die to Toriel) so he has excellent control over his attacks.
*Gaster (Undertale); He was a powerful monster who is believed to have created the core. He was very hard to replace according to his followers. He may have also designed the DT extractor and the Gaster Blaster. Other than that, nobody knows how strong he is.
*Troll!Sans: He only uses up to 5% of his power, meaning that it’s unknown on how powerful he is when using his True Power(100%)
*underfell sans (hates women au) he can destroy aus and timelines with a finger snap, only ones with women in them however. he has the power to destroy everything
*ErRoR encOunTerD in lO@ding Ch2RaCter Entry ; reason: not ready to reveal character: [ to assemble the team to find out about this entry] click the link {<iNvesTigAte The Do0dL3 spH3r#>} ( )you can assemble the team there to investigate to find out whats going on to this entry
== Trivia ==
* A user in a tier does not automatically mean that they will beat any row that is lower and lose against any higher layer. For example, a tier-two could win against a tier-three, and a tier-two could lose to a tier-one.
* Since this list is merely describing someone's threat level, any character, whether it be a joke, serious, parody, and so on, can be added to this list/system.
* If a character has shown inconstancy towards their feats, choose the best and closest to cannon feat that individual has done to decide what tier.
Category:Power Scaling