Pokemon Tiers in User Battle Wiki

== Ubers (Off the normal tier list) ==
N/A - The following will all defeat any Pokemon:
*MelaSato Lockdown - K.O.s all Pokemon with no counters to it. Darkrai can sleep one of them, but the other can always use Aromatherapy/Heal Bell and both can use Sleep Talk.
*Imperialdramon Paladin Mode - Holding a Legend Sword, a simple moveset of Omni Blade, Burst Breath, and Flash Punch will OHKO or 2HKO all existing Pokemon.
To prove the sheer power behind Imperialdramon on all existing Pokemon, here are some calculations using the Pokemon format on some of the bulkiest existing Pokemon (this is considering a max IV/EV Pokemon with a boosting nature):
*Legend Sword-boosted Flash Punch v.s. Dialga (one hit): 39.6% - 46.78% (3HKO in one turn)
*Legend Sword-boosted Burst Breath v.s. Ferrothorn (one hit): 155.68% - 182.95% (OHKO)
*Legend Sword-boosted Omni Blade v.s. Groudon: 117.57% - 138.37% (OHKO)
*Legend Sword-boosted Omni Blade v.s. Deoxys-D: 141.45% - 166.78% (OHKO)
*Legend Sword-boosted Omni Blade v.s. Shuckle: 131.97% - 155.33% (OHKO)
*Legend Sword-boosted Omni Blade v.s. Eviolite Chansey: 156.53% - 184.23% (OHKO)
== OU (Tiers SS, S, and A) ==
*Darkrai
*Dialga
*Arceus
== BL (Tiers B and C) ==
*Palkia
*Giratina
*Rayquaza
*Mewtwo
*Rayquaza
*Lugia
*Groudon
*Kyogre
*Deoxys-A
*Deoxys
*Chandelure
*Zekrom 
*Reshiram
*Keldeo
*Heatran
*Scizor
*Breloom
*Snorlax
*Tyranitar
*Metagross
*Suicune
*Jirachi
*Lucario
== UU (Tiers D and E) ==
*Excadrill
*Salamence
*Blaziken
*Gallade
*Heracross
*Machamp
*Raikou
*Porygon-Z
*Porygon2
*Yanmega
*Alakazam
*Haxorus
*Garchomp
*Salamence
*Dragonite
*Arcanine
*Aggron
*Chansey
*Feraligatr
*Moltres
*Nidoking
*Steelix
*Registeel
*Deoxys-S
*Deoxys-D
*Mew
*Celebi
*Victini
*Manaphy
*Articuno
*Wobbuffet
*All remaining Pokemon in Generation 4 that is OU that do not only set up entry hazards.
== RU (Tiers F and G) ==
Anything not posted above is in RU, but here are some examples:
*Shedinja
*Charizard
*Wynaut
*Gardevoir
*Rampardos