How long is Disgaea Mayhem?
Around 20 hours for the main story plus a meaningful slice of post-game, which is short by Disgaea standards. The grind ceiling afterwards is effectively unlimited.

Disgaea Mayhem walkthrough: the Pristine Gleam Flan story setup with N.A. and Overlord Tichelle, plus the best order to unlock each progression system.
The opening hours: Tichelle's hiring test, the first wave stages, and the Overlord Castle hub.
~10 min read
The Disgaea Mayhem walkthrough covers the ~20-hour campaign — six regions, six Psychlamate bosses — and the hub unlock order that decides whether your run feels smooth. Stages are wave arenas; system timing matters more than room memorisation.
Tichelle inherits the throne of the Netherworld of Super Duper after the death of her father, the previous Overlord Margraf. What Margraf leaves behind is not a war or a treasury but a recipe: the legendary Pristine Gleam Flan. Before his daughter can eat a single spoonful, six of his most feared former vassals — the Six Psychlamates — rebel and finish the whole thing.
Tichelle's response is to treat this as a dessert crisis rather than a political one, and she hires an outside professional to fix it. That professional is N.A., a mercenary who works strictly for payment and has no particular loyalty to the throne. Recovering the flan is a job, not a cause, and the writing leans on that gap for most of its comedy.

| Element | Detail |
|---|---|
| Protagonist | |
| Employer | |
| Previous Overlord | Margraf, Tichelle’s late father and the recipe’s author |
| Inciting incident | The Pristine Gleam Flan is eaten by rebelling vassals |
| Antagonists | The Six Psychlamates, one per region |
| Setting | The Netherworld of Super Duper |
| Campaign length | Roughly 20 hours including early post-game |
| Mode | Single Player |
The plot is self-contained. No mainline cast member is required reading, and every returning system — Item World, Magichange, Reincarnation, the Dark Chocolate Assembly — gets introduced in-game as it unlocks. If you are completely new to the series, start with the beginner guide instead of this page; it covers the combat inputs this walkthrough assumes you already know.
There is no army. You control N.A. only, with one AI-controlled Battle Buddy alongside you. No party swapping mid-battle, no reserve units to bring for a bad matchup. Every stat you earn goes onto one character, which is why the builds page treats the whole game as a single build rather than a roster.
Each Psychlamate anchors one region, and each region is a small cluster of wave stages ending in that boss. Rozala is the one holding the flan itself, which makes her the end of the chase rather than another stop on it.
| Psychlamate | Region / role | What to expect |
|---|---|---|
| John-Zuck | Roams the Pestilence Plains | A giant — a large-frame boss, so lock-on works and the armour gauge is the whole fight |
| Granute | Lurks in the Grotto of Agony | Enclosed arena; keep your dash free rather than committing long strings |
| Kory | Empress of the Intoxicated Forest | A water specialist, so expect elemental pressure — a ranged class is comfortable here |
| Rise N. Cane | Leader of the Vroom Vroomers | A gang boss; adds keep spawning, so bring a wide sweep |
| Rock Andy | Head chef of Super Duper | Fitting antagonist for a dessert plot |
| Rozala | Solitary moon rabbit | Uses the Pristine Gleam Flan itself as a power source — the final target |
The hub fills up as you clear regions, and the order you *engage* with it is worth more than any stage-level tactic. Two facilities are multipliers on everything after them, so opening them late means re-earning progress you could have had for free.

| Priority | Facility | Why now |
|---|---|---|
| 1 | Cheat Shop | Sliders for EXP, money, and enemy strength. EXP scales as high as 1,400% — this is the difficulty dial, not a cheat |
| 2 | Dark Chocolate Assembly | Pass I Demand Triple EXP! (1,000 mana) first; it stacks on top of the Cheat Shop multiplier |
| 3 | Buddy Base | Bond a captured monster with mana so you have a Magichange partner for boss windows |
| 4 | Item World | Becomes your EXP farm, stat farm, and gear farm simultaneously — story stages stop being worth grinding |
| 5 | Character World | The only source of most of N.A.’s evilities, plus bulk weapon mastery levels |
| 6 | Innocent Farm | Breed Critical Damager Innocents onto gear once you have dives running |
| 7 | Reincarnation | Cycle it late, once hitting the cap takes one fight rather than one session |
Raise the EXP slider the moment the shop opens and revisit it whenever a region starts feeling slow. Raising enemy strength also raises what they drop, so the sliders work in both directions — you can make the campaign harder and better-paying at the same time. Refusing to touch them does not make you a purist; it just makes the run longer.
Passing a bill in the Dark Chocolate Assembly means convincing demon senators. Bribe them with rare items, or beat the opposition down in real-time combat when the vote fails. The proposal list is long — Payday!, I Demand Triple HL!, I Demand Triple Mana!, I Demand Reward Items!, Commence Prinny Day! — but during the campaign only the triple-EXP bill genuinely changes your pacing. Come back for the mana and item-rate bills before your first long grind session.
Captures happen naturally as you clear regions, and bonding them at the Buddy Base costs mana you have not accumulated yet. One buddy is enough for the whole campaign. Collecting rank-3 monsters is post-credits work — the change character page covers how monster ranks and their evilities actually unlock.
A stage is an arena, not a corridor. You are given a kill quota per wave; clearing the quota advances the counter, and the boss gate opens once the waves are done. Expect a couple of dozen active enemies at a time — readable, not Musou-scale — which means positioning mistakes are yours to own.

| Input | Use it for |
|---|---|
| Light attack | Combo strings; the HUD tracks hit count and total string damage |
| Heavy attack | Multi-enemy hits — the exact behaviour changes per weapon class |
| Sprint + heavy | A dashing area attack that clears a cluster and repositions you in one input |
| Dash / jump / air dash | Your only real defence — there is no parry stance |
| Skills (4 equipped) | Cooldown-based burst; save them for boss stun windows |
| Lock-on | Large bosses only — it will not snap onto trash mobs |
Hold sprint, press heavy while moving, and N.A. lunges forward and detonates an area hit. It is the single most efficient clearing input in the game because it moves and damages at once, and it stays useful from the first stage to the deepest Carnage floor. Whatever class you settle on from the weapons hub, build this habit before anything else.
Which skills you have depends on the rank of the weapon in your hand. A starting weapon may carry one; a higher-rank drop fills all four slots. Each weapon type has a ladder of seven skills — staffs have more — and the seventh only rolls on rank 39 and rank 40 gear, which is deep post-game territory. During the campaign you are playing the first few rungs of that ladder, so pick up rank upgrades whenever a region hands you one.
Swapping weapons is free between stages, and each of the seven classes rewrites your strings, reach, and skill list. Cycle all of them on early trash before you settle. The sword is the most forgiving thing to learn dodging with; the gun clears faster once you have options. Rankings are on the tier list.
The campaign is the short half of this game. Once Rozala is down, the systems you have been politely ignoring become the actual content, and the numbers stop being reasonable — Carnage-tier stat caps sit around a billion HP and ten million each in attack and defence.
Levels give almost nothing here. Your stats come from reinforced equipment, weapon mastery, Character World bonuses, Innocents, and Carnage stat transfers — five sources, none of which is "grind story stages again". If your damage feels flat at a high level, you are missing one of those five rather than needing more levels. The full breakdown lives on the N.A. page.
Roughly two hours of focused Item World optimisation is enough to delete campaign bosses in seconds. If you want the last regions to stay tense, hold the deep dives until the credits — nothing expires, and the facilities are all still there afterwards.
Run this loop for each region and the campaign takes care of itself.
Around 20 hours for the main story plus a meaningful slice of post-game, which is short by Disgaea standards. The grind ceiling afterwards is effectively unlimited.
Overlord Tichelle inherits the Netherworld of Super Duper from her late father Margraf, along with his legendary Pristine Gleam Flan. Six of his former vassals — the Six Psychlamates — rebel and eat it, so she hires the mercenary N.A. to hunt them down and get it back.
Six named Psychlamates anchor the campaign: John-Zuck, Granute, Kory, Rise N. Cane, Rock Andy, and Rozala, who is holding the flan itself.
No. The campaign is clearable without Item World dives or reincarnations. Raise the Cheat Shop EXP slider and pass the triple-EXP bill at the Assembly if a region feels slow.
Cheat Shop, then the Dark Chocolate Assembly, then the Buddy Base, then the Item World. Character World, the Innocent Farm, and Reincarnation are post-campaign work.
The sword is the most forgiving class to learn dodging and armour breaks with. Swapping is free, so cycle all seven on early trash — see the tier list.
No. It is a real-time action RPG with wave-based crowd combat. The tactical grid is gone — see the beginner guide.
No hub facility is missable — they unlock as you clear regions and stay open. Monster collection, evilities, and Innocents are all post-credits work you can finish at leisure.
Yes. The Steam listing lists it as single player, with one AI Battle Buddy fighting alongside you.
Matched by build plan, shared topics, and guide progression — not random related links.