Battle Tendency Infinity Boss Saturday rotation

Wamuu

The weekly endgame raid from Battle Tendency. It scales across 5 difficulties, from Normal up to Hell, and acts 5 times per cycle at the hardest setting.

5 Attacks / cycle

10,000 Damage Reduction

20,000 Secondary Defense

Active in 3 days — rotation pinned to Saturday.

TL;DR — Saturday Infinity Boss

Pillar Man with a 1200% ATK cone Ult. His Atmospheric Rift channel takes +2000% damage from DoTs — Burn, Bleed, Mold and Frostbite teams melt him during it.

⚠ The danger

Bursting at full Stance Bar with no DoTs running. The 20× DoT spike window passes and you've left hundreds of percent of damage on the table.

How to beat Wamuu

The 20× DoT multiplier during Atmospheric Rift is the headline damage lever in the entire mode. Stack DoTs BEFORE he starts channelling — Burn from Avdol, Mold from Cioccolata, Bleed from Sports Maxx, Frostbite from Pet Shop. Hamon riders pile on top via his Vampire tag. A clean Stance break ALSO weakens his next Atmospheric Rift by 50%, so CC kits earn their slot by speeding up the break — not by locking him.

Damage levers

Infinity Bosses have infinite HP — the only thing that matters is how much damage you can squeeze out. These are the levers that scale damage in this specific fight.

DoT carriers during Atmospheric Rift — Burn, Mold, Bleed, Frostbite all hit 20× during the channel.
Hamon users — Vampire tag rider stacks on top.
CC for Stance damage — bonus damage to the bar, accelerating the +100% burst window.

Boss skills

4 skills. Every description below is the in-game skill text exactly as the game presents it — no paraphrasing, no fan summaries.

Active CD 9s

Wamuu casts Wind Mode: Divine Sandstorm upon all enemies within 6 tiles in front of him, dealing damage equal to 500% of Attack.

Passive

After this attack, all enemies within 1 tile of Wamuu take sustained damage equal to 500% of Attack per second for 10 seconds.

Ultimate

When his Energy is maxed, Wamuu unleashes Final Mode: Atmospheric Rift, releasing extremely high-pressure air in a cone-shaped area in front of him, dealing damage equal to 1200% of Attack. While channeling this skill, Wamuu takes 2000% more damage from damage-over-time effects.

Passive

When Wamuu's Stance Bar depletes, he takes 100% more damage from all sources for 5 seconds, and his next Final Mode: Atmospheric Rift deals 50% less damage.

Stance Bar — the only burst window that matters

Infinity Bosses have infinite HP. Your score is your total damage output, not a kill. Every boss has a Stance Bar above its health bar. Empty it and the boss is stunned for 5-10 seconds and takes +100% damage from all sources — that window is the entire game. Crowd control (Stun, Freeze, Silence, Banish, Suppress) does NOT actually control the boss. Bruno's Zipper Space banish, Mariah's Magnetic Force Stun, Joseph's Hermit Purple bind — none of them lock the boss in place. They earn their slot because CC effects deal bonus Stance damage, which shortens the time to break.

Save every Ultimate for the Stance break — the +100% modifier doubles the burst.
CC kits are useful for Stance damage contribution, not for shutting the boss down.
Don't burn damage during invulnerability phases (Cool Ice flight, F.F. split, etc.) — Stance can't drop there either.

⚠ Don't bring

Single-burst comps without DoT — the Atmospheric Rift window passes wasted.
Dumping Ults at full Stance Bar — wait for the break.

Weather: Scorch

Scorching Heat — no playable character has a passive bonus on this terrain.

Scorch

All units restore 10 less Energy when restoring Energy. All units take 100% more damage from Burn. All units lose 1 stack of Chill and Frostbite every 2 seconds.

Characters that benefit from this terrain

These playable heroes have a passive bonus that activates on Scorch. Slotting one of them adds free utility the boss can't disable.

Rubber Soul

Prosciutto

F.F.

Boss numbers explained

Wamuu's combat stats at Hell, the top difficulty. Each card says what the number does and whether it's unusual for an Infinity Boss — so you can see at a glance what makes this fight different.

Attacks per cycle (Hell)

In line with a typical Infinity Boss.

Damage Reduction

10,000

In line with a typical Infinity Boss — it shrugs off a flat chunk of every hit.

Secondary Defense

20,000

In line with a typical Infinity Boss — a second defense layer on top of normal Defense.

Crit Resistance (Hell)

40,968

How well the boss resists YOUR crits. To reach the +90% Crit Boost cap your attacker needs Crit ≈ 47,468, which no realistic build hits — so for Hell content lean Crit Damage % + Final Damage % over raw Crit Boost.

Crit Damage (Hell)

34,140

The boss's own Crit Damage multiplier — used when the boss crits you. Most Infinity Bosses don't deal real damage from their Attack stat, so this only really hurts on F.F. (the only boss in the rotation with a real Attack value).

How the difficulties scale

Climbing from Normal to Hell only grows two things: Crit Resistance (how hard it is for YOU to crit the boss) and Crit Damage (its own crit multiplier). Defense, attack pattern and speed never change. So a higher tier is the same fight where your crit chance suffers more — pick the highest row your team can survive.