Special Stages · Stage 1

Mutation Lv.1

突然変異Lv.1

Mutation Lv.1 is a Battle Cats stage in Resident Undead. It costs 60 energy and sends 8 enemy spawn lines — led by Zoge as the boss — against a 10,000 HP enemy base, and clearing it rewards 8,460 XP. Its enemies carry the Zombie trait, so cats that target it do the most work here.

Data updated: 2026-08-31

60Energy Cost
8,460XP Reward
10,000Enemy Base HP
4,200Stage Length
15Max Enemies
2.1Difficulty
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Cats that counter Mutation Lv.1

Cats whose attacks target Zombie, best DPS first — the traits this stage’s enemies actually carry:

Lovestruck Lesser DemonNezuko KamadoDaybreaker IzanagiMighty Rekon KorpsBalrogZangief

Stage rewards

100% — Cat Ticket ×1 · first clear

Enemy spawns (8)

EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotes
Snache100%513.3s2s~6s100%—
Doge100%∞10s13.3s~20s100%—
Zoge20%140s—100%Boss
Snache100%543.3s2s~6s100%—
Snache100%∞40s16.7s~23.3s100%—
Doge100%∞0s13.3s~20s99%—
Zoge20%10s—99%—
Ms. Sign100%∞900s900s100%—
All Resident Undead stages