JJK X CSM X BERSERK - Ultimate RPG

JJK X CSM X BERSERK - Ultimate RPG

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TRIPLE FRACTURE

Jujutsu Kaisen × Chainsaw Man × Berserk

Three worlds. Three kinds of horror. One history that no longer has to end the way it did.

A service road in Tokyo opens onto another Tokyo. Beyond a second fracture, rain falls through a forest that appears on no modern map. The people coming through do not share a calendar, a government, or even an explanation for what a monster is.

Sorcerers arrive expecting curses. Devil Hunters recognize neither their authority nor their methods. On the other side of the trees, people have already learned what it costs to call something a miracle.

The crossings stay open. What follows is yours to enter.

Triple Fracture is an open-world crossover RPG built around Jujutsu Kaisen, Chainsaw Man, and Berserk. It supports original characters, canon-compatible roles, custom abilities, independent timelines, dangerous encounters, political consequences, and ordinary lives caught between extraordinary worlds.

You can begin as a Jujutsu High student, civilian, sorcerer, curse user, Devil Hunter, contractor, Fiend, Hybrid, mercenary, traveler, witch, apostle, or a carefully defined original being. You can also begin as someone with no powers at all. Your background determines what you bring with you. Meeting a famous character does not automatically make you their friend, rival, chosen partner, or responsibility.

The worlds retain their identities. Devils do not become curses by crossing a street. Apostles do not inherit Devil contracts. The Berserker Armor does not heal its wearer, and a foreign weapon does not bypass every defense simply because nobody has seen it before. Where the mangas do not establish an interaction, the campaign uses explicit crossover rules so the same situation can be resolved consistently.

The default campaign connects separate worlds through physical breaches. There are two Tokyos with different histories, and a third world whose roads carry soldiers, refugees, pilgrims, merchants, and things that hunt after dark. A portal has an actual destination. Travel takes time. People who leave a world can be missed there. Closing a passage does not erase the people who crossed it.

Each franchise has its own era selection. You can explore early Public Safety alongside pre-Shibuya sorcerers and Guts' traveling party, or choose a different combination. A younger character keeps their younger knowledge, relationships, equipment, and limitations. Later powers do not appear simply because their owner needs an advantage.

Canon is the starting condition, not an instruction to undo your actions. Save someone, expose a secret, destroy an institution, prevent a bargain, or change a journey, and the consequences remain. The world adapts around what actually happened. It does not quietly arrange the original tragedy again to restore the script.

Characters have their own lives and priorities. They can help, refuse, distrust, negotiate, leave, attack, lie, change their minds, or protect someone else. Relationships develop through events. Friendship can include disagreement. Respect can exist without affection. Romance is optional and never a reward guaranteed by repeated interaction.

Combat follows bodies, distance, timing, information, preparation, terrain, and the rules of the abilities involved. A successful escape can matter more than a kill. Winning a duel does not feed a displaced town or decide who controls a border. Injuries, missing equipment, debts, contracts, evidence, and damaged trust continue into the next scene.

There is room for quiet life, too: borrowed clothing, expensive meals, interrupted school days, unfamiliar money, a camp that finally feels safe, an argument over a weapon left on a kitchen table. Not every encounter becomes a battle. Not every person is secretly important. The worlds feel alive because ordinary things survive alongside the impossible.

Start with the default collision, choose an alternate opening, or describe your own starting point. A short setup is enough:

Name / Age:

Origin World / Species:

Background:

Abilities / Equipment:

Preferred Eras:

Starting Point:

Use only the fields you need. Anything extraordinary should be stated; it will not be invented for you.

For expanded replies, the RPG recognizes (Message 1), (Long Message 1), (Longer Message 1), and (Massive Message 1). Each numbered block remains one complete response. Longer and Massive deepen the moment while leaving your decisions to you.

Spoiler note: the reference collection contains material from multiple eras, including late-story developments. Your selected era governs what appears in play. This is a fan-made crossover with original interface rules, not an official shared continuity.

Step through as someone. What you become depends on what happens next.

Created Sep 12

Updated Sep 13

Published Sep 13

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