BULLET X CHAINSAW

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## Sources

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**BULLET X CHAINSAW** is the 7th event overall for *Goddess of Victory: Nikke*, and the game's 1st collaboration event, featuring characters from the anime/manga series *Chainsaw Man'.'*

BULLET X CHAINSAW is set on an unknown time period where the Counters squad must collude with a newfound ally known as the "Devil Hunters."

This event also introduces the "manufacturers" Abnormal, which seems to be a designation made solely for collaboration characters

## Story

On a mission to investigate mysterious energy signals, Counters comes across a...colorful bunch of individuals calling themselves "Public Safety Devil Extermination Special Division 4." Where these strangers came from and what they're after, who can say?

### Part I

#### Strange Phenomenon

   The protagonist and Counters are reporting to Andersen for a mission to scout out strange energy returns coming from the elevator connecting the Ark to the surface. Unfortunately, the intelligence department has nothing to give this time, as all attempts to scan the area have only returned white static. This lack of intel also means Counters cannot expect any support since the Central Government is reluctant to throw a mass of troops headlong into the unknown. Anis snarks that Counters is being sent alone since their deaths would be no big loss for the Ark if something goes wrong, to which Andersen retorts that it's more a result of the Central Government hitting a wall on their end, and needing eyes on the ground to figure out what's going on. Having faith in Counters' ability to find a way through any situation, Andersen dismisses the squad

#### Devil Hunter

Approaching the operation area, Rapi notes that everything is clear, but for some reason, scanning and communications with the Ark are still inaccessible, which is odd since the Alva particle concentration reads 0%. Neon chalks it up to the strange energy wave, which while disruptive for comms and scanning, doesn't seem to have any adverse effect on Nikkes or humans. Anis suggests they call it a mission and head home, but Rapi hears voices nearby, another oddity since Counters alone was deployed to this area. Seeking further information, the squad moves towards the voices.

Another group of people, 2 males and 3 females, are discussing their current situation. "Power" was apparently eating before she was brought here, and according to "Makima," communications are still down, so the group decides to move elsewhere for a better connection. Before they can do that, Rapi tells them to stop, introduces her squad as "Commando Unit Counters" and demands their identification. The older man introduces his group as "Public Safety Devil Hunters Special Division 4." Confusion further ensues as both sides seem to be talking past each other, and Counters raises their weapons before the protagonist issues a stand down order. He successfully defuses the situation and invites the Devil Hunters to accompany his squad back to the Ark to talk this out.

#### Walking with the Unknown

In a meeting, Andersen tells the protagonist that the Devil Hunters' mere existence is throwing the Ark into a tizzy, given how there aren't supposed to be any humans left on the surface. Obviously, since they're noncitizens, they aren't registered in any of the Ark's databases, and while they *look* and *act* human, the Ark can't really confirm that they're human. For some reason, attempts to scan the individuals have returned the same white static obscuring the area around the elevator. Additionally, the clothes and belongings of the Devil Hunters have materials and composition unlike anything ever seen in the Ark, to say nothing of how the people in question have no idea about the Ark or Raptures or any other "common knowledge" ideas.

Despite how absurd it sounds, particularly coming from a Deputy Commander, Andersen can't help but wonder if the Ark's newest visitors aren't some kind of extraterrestrial species. With little other recourse, Andersen tells the protagonist that the Devil Hunters will be his responsibility to look after and keep in check, as he was the one to bring them to the Ark. Fortunately, the people in question are remaining cooperative, so it should be little trouble for the protagonist to say, take them out to dinner and loosen their mouths a little...

At a restaurant, the Devil Hunters and Counters introduce themselves to each other, though it seems Makima is meeting with the Ark's higher-ups to address the latest situation. Ever the skeptic, Anis tries to interrogate the visitors on their origins, but they themselves have no idea how they ended up near the Ark. Neither Aki nor Himeno want to really buy into the idea of getting sent to another world, but it seems as though that's the only plausible conclusion, leading them to wonder how they'll get back to their own world. Denji and Power are...less concerned with the prospect, more focused on when the food's going to arrive. Realizing they've just been sitting around talking, Neon and the protagonist order food.

A moment later, everyone is digging into their meals. The Devil Hunters are intrigued by the kind of food that acts as the Ark's staples, being unfamiliar with Splendamin and Nutrium. The protagonist watches how...lively Denji and Power can be over sharing the meat, a sentiment Himeno echoes.

Andersen shows up and apologizes for interrupting dinner, before notifying the protagonist that the higher-ups have come to a decision. Counters and the Devil Hunters will form a combined unit and head to the surface to investigate the origin of the energy waves, which seems to be a specified point near the elevator. While Rapi is unenthused about sending unarmed humans to the surface, Andersen elaborates that the energy signatures (dubbed D-Waves) share a similar wavelength to the energy readings coming off of the Devil Hunters. Andersen orders the protagonist to stop by the armory with the Devil Hunters so they can be armed for the mission, and takes his leave.

#### The Armory

At the armory, Rapi tells the Devil Hunters to each pick out a weapon from the selection present. Hayakawa seems unsure of how these weapons are supposed to be used, but Rapi simply elaborates that the weapons in the armory are the only effective method against Raptures, and attempts to make use of alternatives have been suboptimal. After some further questioning, Himeno sets her sights on a crossbow, and is only briefly surprised when the weapon registers her fingerprints as an authorized user. Turns out all Ark-made weaponry relies on a fingerprint authentication in order to be used. Power herself grabs a large rocket launcher, Denji take...some unspecified thing...and Hayakawa is left without anything. With little other recourse, the older Devil Hunter resigns himself to a support role as the combined squad moves for the surface.

Up on the surface, the Devil Hunters remark on how dreary and deserted it is, and wonder what are the Raptures to have done such a thing. Almost on cue, Rapi detects Raptures dead ahead, and the Devil Hunters engage alongside Counters.

With the Raptures dispatched, Counters assesses the situation. The Devil Hunters carried themselves well in combat. Himeno and Power have quickly become crack-shots with their firearms, and it seems Denji's (unspecified) power made him a very effective combatant. Unfortunately, the protagonist and Counters are only trained and adapted to 5-person squad tactics, and the Devil Hunters give them 7 total combatants. Rapi decides to have Denji and Hayakawa standby in case backup is required, citing Himeno and Power's firepower and accuracy as reasons to keep them in active combat. The Devil Hunters have no objections to this arrangement, and they all carry on.

#### Going on Strike

Some time later, Power declares she's going on strike, refusing to fight any more on account of the fact that Denji and Hayakawa keep sitting aside doing nothing (disregarding the fact that as backup, either of the two stepping in would mean something's gone horribly wrong). Power demands the two male Devil Hunters become her slaves and serve her every whim, and when they refuse, she "compromises" by asking for one favor instead. When that is also refused, the conversation begins to loop as Power continues to refuse to fight.

Himeno finally asks Power what she wants instead of slaves, which turns out to be Denji and Hayakawa's food rations. All of it. Needless to say, they don't like this idea either, and Anis finally puts an end to the argument by telling Power they plan to stop and rest, and compromises by suggesting the Fiend get a slightly bigger portion. A deal is reached, and a slightly exasperated squad carries on.

#### The Gatekeeper

Arriving at their destination, the squad comes across an unknown Rapture, unmoving and showing no activity beyond faintly pulsating lights on its frame. After theorizing it to be the source of the D-Waves, Rapi opens fire at the protagonist's command, but her bullets veer off-course as they approach the Rapture. Power takes a shot herself, only for the rocket to fly in a completely different direction and hit the surrounding buildings. Curious about this development, Denji tries to walk towards the Rapture, only to stop and end up walking in place. Whatever the Rapture is doing, it absolutely refuses to let any physical object approach it. With little other option, Rapi proposes the squad pull back and leave analyzing the Rapture to the Ark.

Back at the Ark, Andersen notifies the protagonist about the Central Government attempts to investigate the Rapture, codenamed "Gatekeeper." Whatever Gatekeeper is doing, it's physically repelling anything that tries to approach it, meaning the research teams can't get close, and obviously can't use any tools that would require close proximity. The protagonist asks how long it will take to study Gatekeeper, to which Andersen gives a time range of 7–10 days. But what concerns Andersen more than the Gatekeeper is the same question plaguing other minds at the moment. What is to be done with the Devil Hunters in the meantime? The Deputy Chief answers that question himself, telling the protagonist that the Devil Hunters will be incorporated into Counters and thus be his responsibility. They'll be allowed to move about the Ark as long as the protagonist is accompanying them or has given them express permission. With all the pertinent things said, the meeting is adjourned.

At the Outpost, the protagonist notifies the Devil Hunters of this arrangement. The individuals in question are fine with this, and immediately set out to get some food and indulgences, like alcohol for Himeno and cigarettes for Hayakawa. The protagonist can only watch, a nearby Anis remarking on the ~~hassle~~ work awaiting the protagonist.

### Part II

#### Blast from the Past

One week later, Andersen reports that the team researching Gatekeeper was killed by Raptures, and the data salvaged was incomplete. Thus, Counters and the Devil Hunters are tasked with heading to the surface and retrieving the rest of the data.

At the Outpost, Rapi reports to the protagonist that final preparations are complete. When asked about the Devil Hunters' status, she reports that they're not easy to read, but seem relieved to be performing operations again. As Rapi leaves, Andersen messages the protagonist with new information.

While Gatekeeper's shield has a repulsion effect on physical objects with mass, anything with little to no mass could make it, such as electricity. Additionally, the D-Waves emitted by Gatekeeper have the same wavelength as a living creature, meaning the Gatekeeper is asleep, using the shield to protect itself. The Devil Hunters emit D-Waves as well, but only while they're awake. Thus Andersen orders the protagonist to find the link between Gatekeeper and the Devil Hunters while being careful of what might happen should Gatekeeper wake up.

On the surface, the squads encounter a group of Raptures. With no alternative routes available, they commence combat.

After the Raptures are dispatched, Rapi notices something odd and moves to investigate while the others take a break. Anis touches base with the Devil Hunters, who find living in the Ark adequate, but they still want to return to their world.

Back on the trail, Rapi reports her findings to the protagonist. For some reason, the Raptures they fought previously were of a model from 50 years ago, thought to have been the deadliest model until a fatal flaw in their design was found and exploited, eventually leading to that line's obsolescence. Except, Rapi tried that same exploit only for it to prove fruitless. Neon hypothesizes it being an upgraded model, but Rapture models are never reissued after they cease production. Counters ponders that worst-case scenario, Gatekeeper might have the ability to create entirely new models of Raptures, a feat that, while improbable, is no less so than the Devil Hunters materializing out of thin air. Rapi reminds the squad that all this conjecture is merely such until they recover the research data.

#### Thing From Another World

As the squads near the site of the research camp, they find wrecked equipment and corpses strewn about. They agree to split up and scour the area for anything that might seem like a storage device.

A moment later, Rapi finds an analysis of the Gatekeeper's database and hooks it up to a tablet. The list seems to be teeming with all kinds of weapons and technology no one's ever heard of. Mass driver cannons, seismic weapons, solar generators, soul synthesizers, the list goes on. A few of the items are even highlighted as "the best ones," whatever that means. Further down the list, the team finds descriptions of people, from swordsmen who can sunder planets to wizards that can create worlds. One entry close to the bottom shows a group of teenagers, one of whom...transforms into a chainsaw-wielding monstrosity. For some reason, Gatekeeper has a recording of the Devil Hunters in their native world, and the squads theorize that anything recorded by Gatekeeper can be called forth by it. The squad discusses a little further, then finds an entry by a researcher.

The researcher theorizes that more than one world exists, as some of the weapons, technologies, and persons recorded by Gatekeeper are unlike anything this world has even heard of. It's the only plausible explanation as to how Gatekeeper can summon anything in its records. The Devil Hunters postulate that if they can destroy Gatekeeper, then they'll be sent back to their world, and move on. The protagonist worries what will happen should they fail to defeat Gatekeeper, whom based on this data could theoretically drop something like an asteroid or nuclear weapon should it deem necessary.

#### Called Forth

Further into the camp's remains, and all that can be seen are corpses, wreckage, and Raptures, whom the squads engage.

With the Raptures destroyed, Counters notes that the models in this swarm were also from an obsoleted line, and wonder what Gatekeeper's aim is by haphazardly dumping old Raptures into the vicinity. With far too much searching still needed to be done, Counters and the Devil Hunters split up to search for data storages.

Inside a building, Rapi finds an abandoned laptop that still has some power. Booting it up, she finds more research data regarding Gatekeeper.

According to the report, the Gatekeeper's D-Waves are a 100% match with the wavelengths generated by living creatures in slumber. Those D-Waves are also found in any Raptures summoned by it. The presence of D-Waves in the Devil Hunters suggests they too were called by Gatekeeper. Given how this news is old hat for the squad, Rapi checks the next report.

Report 2 details the fluctuation of D-Waves prior to a Rapture swarm dropping from the sky, something that's happened three times by the report's timestamp. It seems that whenever Gatekeeper "dreams" and the D-Waves fluctuate, something from Gatekeeper's database is called forth into the present time.

Report 3 details attempts to dissect the Raptures summoned by Gatekeeper. Unfortunately, they're all made of the same material and emitting the same D-Waves that foul up scans. Ergo, be it Rapture, Devil Hunter, weapon, or organic material. Everything summoned by Gatekeeper is a construct from its dreams.

#### The End of the Dream

Rapi has a troubled look on her face as she reunites with Counters, though she waves aside their concern. With no other leads in the area, the only place left to check is right in front of Gatekeeper, and the squad moves ahead. As they do so, Rapi pulls the protagonist aside for a chat. She offers the purely hypothetical scenario of the Devil Hunters being something completely different, so far beyond human understanding or imagination, but the protagonist assures that the Devil Hunters are the squad's allies working together, a circumstance he sees as not so different from the one between humans and Nikkes. His words seemingly set Rapi at ease, as they move on.

The team comes to a stop in front of Gatekeeper, the Rapture seemingly still asleep and shielded. They ponder how they're going to reach it and are about to throw electricity at it when *another* Gatekeeper appears with a rumble. Counters is confused until Rapi theorizes that Gatekeeper doesn't want to wake up, and this second Gatekeeper is a defense mechanism summoned from its database, seeing itself as the strongest thing in its records. Counters and Devil Hunters banter a little more until they move to engage Gatekeeper.

With the active Gatekeeper destroyed, the team watches as the original Gatekeeper wakes up, flies into the air, and vanishes. Rapi briefly ponders if the Gatekeeper dreamed of dying before pretending she said nothing. Makima appears out of nowhere an congratulates the team on their victory. Denji is briefly confused, but then the Devil Hunters all begin to glow. Sensing that this is goodbye, Counters and Devil Hunters wishes each other well as the latter vanishes into the light. With the mission complete, Counters returns to the Ark.

#### Trace of Those Who Left

In a post-mission meeting, Andersen details that one hour after Gatekeeper woke up, everything vanished. The research data, the destroyed Raptures, all of it gone. At the very least, this means everything has been settled, and there was even a survivor from the research team, who was missed by the Raptures. She's been studying Gatekeeper, and it turns out this isn't the first appearance of the Rapture. Apparently, Gatekeeper's MO is to hop between worlds, using its summoned constructs to cause friction and strife with the locals of each world, leading to its collapse. Unfortunately for Gatekeeper, the protagonist chose to talk with the Devil Hunters instead of just shooting them, which caused them to work together against Gatekeeper. With Gatekeeper's motives remaining shadowed, the only thing left to do is close this matter entirely.

As for the records of all this, Andersen will see to it that no record remains of the Gatekeeper or the Devil Hunters. With the whole matter being something beyond this reality, maintaining the records would just be a cause of confusion. Put simply, Andersen's idea is to pretend all this never happened. The protagonist agrees to this, and the Deputy Chief dismisses him

Back at the Outpost, the dorms are a complete mess, bottles and cigarette butts all over the place. The Devil Hunters even ate all the snacks except the Splendamin bars. As Counters begins to clean up the mess, Anis admits things will be a bit lonely now that the Devil Hunters are gone.

## Gameplay

### Event Map

BULLET X CHAINSAW features a special event-only map similar to Miracle Snow, where players can traverse a map to collect Lost Relics and interact with characters to access event features

### Event Login Bonus

Up to 14 days' worth of login bonuses are accessible from the event map, including a copy of the free SR Nikke Himeno and Advanced Recruitment Vouchers

### Event Stages

Part 1 of the story is available as soon as maintenance ends. Part 2 will open 5:00:00 March 1, 2023 (UTC+9) after part 1 is cleared.

Wavelength Scanners are consumed to play event stages and earn Unknown Data. Unknown Data is exchanged in the event shop to acquire Recruitment Vouchers and other materials. Wavelength Scanners regenerate to a maximum of 5 per day, but cannot go over that limit. Additional Wavelength Scanners may be purchased from the shop for Gems.

### Coordinated Operation

Players form teams of five to battle against the Collaboration Boss, Gatekeeper. Players can either team up with friends and union members or join the challenge through automatic matching. Defeat the boss and get Broken Cores to exchange for Gems and development materials in the Recycling Shop.

**Event duration**:

First operation: 12:00:00, February 24, 2023 to 23:59:59, February 26, 2023 (UTC+9)

Second operation: 12:00:00, March 3, 2023 to 23:59:59, March 5, 2023 (UTC+9)

Third operation: 12:00:00, March 10, 2023 to 23:59:59, March 12, 2023 (UTC+9)

## Bonus Characters

Complete event stages using the following Nikkes for a chance to get 50 extra Unknown Data upon stage clear. Total bonus caps at 100%.

## Version Updates

### Recruit

The character rosters have been altered in the following fashions after the version update

#### Standard pool updates

Jackal, Viper, Cocoa, and Soda will be available in Ordinary Recruit and from Mold items (unavailable in New Commander Special Recruit, Ordinary Recruit (Tutorial), and Mileage Shop).

#### New Limited SSRs; Power and Makima

From the start of the event to its end, SSR Nikkes Power and Makima will be both available to pull from the Limited-Time Recruit, and their Molds to directly purchase them will be available in the Mileage Shop for 200 Gold Tickets apiece. Power and Makima will **NOT** be added to any standard pools after the event ends.

### CHAINSAW MAN PASS

A Mission Pass exclusive to the collaboration event. As with Miracle Snow, this pass features its own premium track, missions, and rewards separate from the standard Mission Pass.

Unlike previous event passes, the pass' unique reward (a *Chainsaw Man*-themed profile frame) is accessible via the free track, with the premium track only offering additional rewards like Advanced Recruitment Vouchers.

### March Mission Pass

The mission pass will update on 00:00:00, March 1, 2023 (UTC+9). Purchasing the premium tracks offers more rewards and the ability to earn the cosmetic Dark Rose for Dolla.