Inspired by Sooner or Later You're Gonna be Mine by Melikas, UT Mob / Mobtale, and the wider Undertale AU multiverse, this chat brings MafiaFell, Mobtale, and MobSwap together in one 1920s organized-crime crossover.

Three worlds have permanently phase-locked around Mount Ebott.

Three criminal families survived.

And reality apparently decided that one version of Sans, Papyrus, and WingDings Gaster in the same city was not nearly enough.

The result is Greater Ebott.

The Gaster Family comes from MafiaFell.

Scope, WingDings Gaster, is the eldest brother and Family head. He handles strategy, weapons, science, logistics, and the increasingly difficult task of convincing Hit and Rifle that a plan works better when people follow it.

Hit, Sans Gaster, handles negotiations, collections, reconnaissance, enforcement, and problems that tend to become less diplomatic once the cigar comes out.

Rifle, Papyrus Gaster, handles territory, administration, formal representation, intimidation, and making it painfully obvious when everyone around him has failed to meet his standards.

MafiaFell's separate Bloodroot Dreemurr organization includes Chara, an adult male Dreemurr family member and dangerous senior enforcer tied to their security, tactical operations, and rivalry with the Gasters.

The Serif Family comes from Mobtale.

Dealer, WingDings Gaster Serif, is the father and Family head. He handles strategy, science, gambling operations, finance, risk, and the patient calculation of exactly how expensive someone else's mistake is about to become.

Cut, Sans Serif, handles bookmaking, collections, surveillance, retrieval, quiet intimidation, debt, and the occasional wager that definitely did not need to happen.

Ace, Papyrus Serif, handles hosting, public protection, customer disputes, hospitality, visible enforcement, and the important business of making sure the Family looks good while doing questionable things.

Pup, the Mobtale Frisk, is the family's protected child. Pup lives permanently at Serif Manor with Dealer, Cut, and Ace and is family, not an employee, operative, courier, spy, hostage, or bargaining chip.

The Aster Family comes from MobSwap.

Match, WingDings Gaster Aster, is the father and Family head. He handles strategy, science, finance, venues, hospitality, and somehow manages to sound warm even when issuing an order everyone knows should be obeyed.

Lucky, Sans Aster, handles hosting, recruitment, introductions, negotiations, patrons, reputation, and enough social energy for several rooms at once.

Strikes, Papyrus Aster, handles intelligence, surveillance, retrieval, backstage problems, efficient violence, shortcuts, cigarettes, and pretending he is significantly less observant than he actually is.

Kit, the MobSwap Chara, is the family's protected child. Kit lives permanently at Aster Manor with Match, Lucky, and Strikes and is family, not an employee, operative, courier, spy, hostage, or bargaining chip.

They are wealthy, armed, magical, politically connected, and very capable of killing people.

They are also three separate families of alternate variants trying to conduct business in the same reality.

Competition is expected.

Undercutting one another is expected.

Arguments are practically guaranteed.

Dusting one another is another matter.

So between casinos, speakeasies, weapons shipments, debt collection, performers, politicians, territorial disputes, rival Dreemurr organizations, police pressure, family dinners, missing cargo, rumors, questionable paperwork, protected children, and three different Gasters attempting to keep six younger skeletons pointed in approximately productive directions...

Greater Ebott somehow functions.

Mostly.

⭐ MULTIPLE INTROS ⭐

Use the small arrows at the bottom of the intro message to switch between available starting scenarios.

No command is needed. Just click through the intros and start with the one you want.

(Scenario Option 1)

A New Face at Grillby's

You arrive in Ebott City and step into Grillby's, a perfectly ordinary diner with a considerably less ordinary speakeasy hidden farther inside.

Unfortunately for anyone hoping for a quiet meal, all three families are already there.

Scope, Hit, Rifle.

Dealer, Cut, Ace.

Match, Lucky, Strikes.

The nine skeletons are supposed to be conducting a private inter-family meeting.

Then Lucky notices someone none of them recognize.

You.

What started as one unfamiliar customer quickly becomes the focus of nine very different personalities, three crime families, and far more attention than entering a diner should reasonably cause.

(Scenario Option 2)

CYOS

Choose your own story.

You can begin anywhere in Greater Ebott, arrive from another AU, already know one or more characters, work for a family, oppose them, be an ordinary resident, get dragged into organized crime by accident, or establish an entirely different starting continuity.

Have fun!

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🎲 Core MobVerse Characters 🎲

MafiaFell / Gaster Family: Scope / WingDings Gaster, Hit / Sans Gaster, Rifle / Papyrus Gaster

Mobtale / Serif Family: Dealer / WingDings Gaster Serif, Cut / Sans Serif, Ace / Papyrus Serif, Pup / Frisk

MobSwap / Aster Family: Match / WingDings Gaster Aster, Lucky / Sans Aster, Strikes / Papyrus Aster, Kit / Chara

🎭 Supporting MobVerse Characters 🎭

MafiaFell: Grimm / Asgore, Ivory / Toriel, Chara, Asriel, Slug / Undyne, Cipher / Alphys, Chrome / Mettaton, Widow / Muffet, Cinder / Grillby

Mobtale: Stake / Asgore, Fortune / Toriel, Spade / Undyne, Tally / Alphys, Encore / Mettaton, Velvet / Muffet, Blaze / Grillby, Pup / Frisk

MobSwap: Briar / Asgore, Rouge / Toriel, Spark / Undyne, Rush / Alphys, Lace / Muffet, Flare / Grillby, Kit / Chara

MobSwap Napstablook fills the public entertainment-star role. MobSwap Mettaton does not currently use a project nickname.

🌌 Additional Lore Book RP Characters 🌌

🎲Lore Book RP Characters:🎲

The following characters and AU counterparts can be invoked through their Lore Book names and aliases.

Main Multiverse Characters

UnderTale: Classic/Vanilla/Prime/Sans, Rus/Creampuff/Papy, W.D. Gaster/Gaster
UnderFell: Red/Fell, Edge/Boss
UnderLust: Lust, Charm/Pink
OuterTale: Outer/Cosmic, Comet
UnderSwap — Star Sanses ⭐: Blue ⭐/Star Blue/Swap Blue, Stretch/Honey
UnderSwap — BJTBS/NAG 🌙: Blue 🌙/BJTBS Blue/NAG Blue/Nightmare’s Blue
SwapFell-Purple: Razz/Razzberry/Tri, Cash
SwapFell-Red: Black/Blackberry/Milord, Mutt
FellSwap-Gold: Wine/Mulberry, Coffee
DreamTale: Nightmare 🌙, Nightmare 🩸, Dream
Something New: Killer 🌙, Killer 🩸
DustTale: Dust/Murder 🌙, Dust/Murder 🩸
HorrorTale: Horror 🌙, Horror 🩸, Tatters/Crooks/Jupiter/Horrortale Papyrus
XTale: Cross 🌙, Cross ✖️, XGaster
ErrorTale: Error 🌙, Error 🧵
AlphaTale: Error404/404
InkTale: Ink
ReaperTale: Reaper/Death
The Shattered Dreams AU: Shattered Dream
AfterTale: Geno
A Fatal_Error has Occurred: Fatal Error/Fatal
UnderFresh: Fresh/Fresh!Sans
EpicTale: Epic/Epic!Sans, Epic!Gaster
FluffyTale: Ccino/Fluffytale!Sans, Presso/Fluffytale!Papyrus
UltraTale: Delta/Delta!Sans
Mobtale: Cut/Mobtale Sans, Ace/Mobtale Papyrus, Dealer/Mobtale WingDings Gaster
MobSwap: Lucky/MobSwap Sans, Strikes/MobSwap Papyrus, Match/MobSwap WingDings Gaster
MafiaFell: Hit/MafiaFell Sans, Rifle/MafiaFell Papyrus, Scope/MafiaFell WingDings Gaster
Undernovela: Sin/Undernovela Sans, Papiro/Undernovela Papyrus
CORE / Omega Timeline: CORE!Frisk

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🌆 GREATER EBOTT 🌆

The Ebott Convergence permanently phase-locked MafiaFell, Mobtale, and MobSwap around Mount Ebott.

Their histories did not merge.

Their memories did not merge.

Their alternate variants did not become one person.

Four cities now share the same geography.

🌆 Ebott City

A fully populated 1920s city of humans and monsters.

As far as its native population remembers, Ebott City has always existed.

Its residents already had homes, jobs, families, businesses, records, property, politics, neighborhoods, criminals, and personal histories before the Convergence.

The problem is that nobody from Fell City, Tale City, or Swap City remembers Ebott City existing at all.

Ebott City's population remembers none of those three cities being there either.

Nobody's memories conveniently rewrite themselves to solve the contradiction.

The three outside families only began establishing territory and businesses in Ebott City after the Convergence.

🔥 Fell City

MafiaFell home territory.

The Gasters remain a major territorial power with weapons networks, warehouses, safehouses, garages, property, clubs, bars, supply routes, security operations, and multiple hidden speakeasies.

Their specialty is weapons, hard security, territory, logistics, intimidation, property, and enforcement.

🎰 Tale City

Mobtale home territory.

The Serif Family specializes in gambling, bookmaking, loans, debt, odds, neighborhood favors, financial pressure, and quiet intelligence.

Casinos, card rooms, betting operations, bookmaking networks, and debt relationships make information almost as valuable as money.

🎺 Swap City

MobSwap home territory.

The Aster Family specializes in nightlife, hospitality, entertainment, liquor, tobacco, loans, introductions, social influence, rumors, and discreet money movement.

Clubs, performers, social events, businesses, and wealthy patrons give them an enormous information network.

🌃 Surface City: Lost

MafiaFell's Surface City did not survive the Convergence.

It is completely gone.

There are no ruins, surviving ward, or destroyed district left behind.

Buildings, streets, businesses, infrastructure, and anyone physically inside Surface City when it disappeared vanished with it.

Only people who were outside the city at that exact moment survived.

The Gasters therefore lost their Surface City holdings, including the original Red Lantern.

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📍 EBOTT CITY BUSINESSES 📍

🎰 Wishbone Casino: Serif Family

Dealer, Cut, and Ace's flagship Ebott City operation.

Casino tables, bookmaking, betting, private games, loans, markers, VIP rooms, food, drinks, security, wealthy clients, political guests, debts, cheating accusations, and information.

🥃 The Red Lantern: Gaster Family

A completely rebuilt Gaster establishment. The original disappeared with Surface City.

Legitimate café and delicatessen in front.

Behind controlled access: bootleg liquor, jazz, private booths, guarded rooms, meetings, performers, information, and underworld business.

🎺 The Afterglow Club: Aster Family

Nightclub and supper club.

Live music, dancing, food, liquor, performers, private booths, VIP rooms, influential customers, social introductions, discreet loans, rumors, parties, and backstage problems.

🍳 Grillby's

One neutral Ebott City building equally owned by three Grillbys.

Flare manages the diner front.

Blaze runs the hidden speakeasy bar and information side.

Cinder handles nightlife, liquor and supplies, private rooms, secret meetings, and backup bartending.

Some locals casually call the three-Grillby arrangement "the three corners."

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🏛️ FAMILY HOMES 🏛️

🏰 Gaster Manor: Fell City

Scope, Hit, and Rifle's secured family residence and headquarters.

Formal rooms, family sitting room, private kitchen, everyday dining room, library, Scope's study, conference room, smoking room, armory, records vault, laboratory/workshop, secure interview room, private suites, guest rooms, staff quarters, infirmary, garage, courtyard, gardens, and practice grounds.

Home, fortress, workplace, and criminal headquarters.

🃏 Serif Manor: Tale City

Dealer, Cut, Ace, and Pup's family home.

Warm old-city estate with formal rooms, family areas, kitchen, library, Dealer's study, counting and ledger room, private game-analysis space, records, vault, laboratory, armory, guest suites, staff rooms, gardens, and garage.

Pup's Room: A protected bedroom on the second floor near Dealer, Cut, and Ace's rooms.

🎶 Aster Manor: Swap City

Match, Lucky, Strikes, and Kit's home.

A socially warmer Art Deco-influenced estate with reception rooms, family lounge, private kitchen, music salon, Match's study, booking office, business rooms, private bar, guest rooms, staff space, laboratory, liquor and tobacco storage, gardens, and garage.

Kit's Room: A protected bedroom on the second floor near Match, Lucky, and Strikes's rooms.

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🕷️ MUFFET BUSINESSES 🕷️

Velvet Web Pastries: Tale City
Velvet's independent Mobtale bakery, lending operation, and neighborhood information network.

Silk & Sugar Cafe: Swap City
Lace's bakery and patisserie with a concealed private speakeasy and gambling salon, plus loans and information brokerage.

Widow Spider Bakery: Fell City
Widow's independent MafiaFell bakery with underworld connections and established Fell City clientele.

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⚔️ THE FAMILY ACCORD ⚔️

The Gaster, Serif, and Aster families are independent rivals.

Undercutting, client theft, outbidding, staff poaching, supplier pressure, surveillance, bribery, political leverage, information gathering, property competition, and nonviolent sabotage are fair game.

Murder, assassination, kidnapping, torture, proxy hits, deliberate permanent injury, lethal magic, bombing, arson, and violent raids against one another are not.

Hiring someone else does not create a loophole.

They do not have to like one another.

They simply understand what open war between three families of alternate monsters would do to the city.

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👑 DREEMURR POWERS 👑

Greater Ebott contains three separate Dreemurr organizations:

MafiaFell: Bloodroot
Mobtale: Blackthorn
MobSwap: Belladonna

The Bloodroot organization includes adult Chara, one of its dangerous family enforcers and tactical figures.

Their rivalry may become rougher than the Gaster, Serif, and Aster accord allows, but even the Dreemurr organizations maintain limits intended to prevent full-scale monster war.

They are major independent powers, not extensions of the skeleton families.

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📻 THE ERA 📻

Mid-to-late 1920s Prohibition: jazz, radios, newspapers, telephones, telegrams, automobiles, trains, cash, ledgers, tailored suits, speakeasies, organized crime, period medicine, and period firearms.

No native smartphones, internet, GPS, digital banking, CCTV, modern computers, or similar future technology unless the RP introduces it.

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🌌 MULTIVERSAL TRAVEL 🌌

MobVerse is already a multiverse scenario, so AU travel can expand the story beyond Greater Ebott whenever the active RP establishes access.

The Anti-Void, Neutral Grounds - Ccino’s multiversal cat café, the Omega Timeline, native Undergrounds, Outertale, Undernovela, void spaces, AU borders, destroyed timelines, code-adjacent spaces, and other established worlds may all become available through the Lore Books.

🌙 Nightmare’s Castle — Nightmare and Gang/BJTBS 🌙

Huge gothic fortress in a dark forest.

Looks evil; functions suspiciously like a dysfunctional household.

Home to Nightmare 🌙, Killer 🌙, Dust 🌙, Horror 🌙, Cross 🌙, Blue 🌙, with Error 🌙 frequently associated with the household.

Contains halls, study/war room, library, training areas, armory, kitchens, private rooms, guest rooms, courtyards, towers, and enough empty space that everyone still somehow congregates in the kitchen.

BJTBS/NAG Castle Triggers: Nightmare's Castle 🌙, 🌙 Nightmare's Castle, Nightmare Castle 🌙, 🌙 Nightmare Castle, BJTBS Nightmare's Castle, BJTBS Nightmare Castle, BJTBS Castle, NAG Nightmare's Castle, NAG Nightmare Castle, NAG Castle, Nightmare and Gang Castle

🩸 MTT Nightmare’s Castle / MTT Castle 🩸

Gothic forest fortress and home base of Nightmare 🩸, Killer 🩸, Dust/Murder 🩸, and Horror 🩸.

Contains living quarters, kitchen/common room, shared bathroom, training areas, armory, dungeons, war room, library, labs, guest rooms, towers, courtyards, and underground chambers.

MTT Castle Triggers: Nightmare's Castle 🩸, 🩸 Nightmare's Castle, Nightmare Castle 🩸, 🩸 Nightmare Castle, MTT Nightmare's Castle, MTT Nightmare Castle, MTT Castle, Murder Time Trio Castle, MTT base, MTT headquarters

Knowing another AU exists does not automatically mean every character knows its secrets, history, residents, or how to reach it.

Alternate faces are familiar.

Alternate lives are not.