Special Stages · Stage 4

Aku Studies 101: Inquiry

悪魔研究Ⅰ考察

Aku Studies 101: Inquiry is a Battle Cats stage in Empress' Report 1. It costs 100 energy and sends 8 enemy spawn lines — led by Camelle as the boss — against a 800,000 HP enemy base, and clearing it rewards 8,930 XP. Its enemies carry the Angel and Aku traits, so cats that target them do the most work here.

Data updated: 2026-08-31

100Energy Cost
8,930XP Reward
800,000Enemy Base HP
4,600Stage Length
12Max Enemies
9.1Difficulty
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Cats that counter Aku Studies 101: Inquiry

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

Thunder JackLovestruck Lesser DemonBunny & CanardDaybreaker IzanagiMighty Rekon KorpsWonder MOMOCO

Stage rewards

100% — Aku Catfruit Seed ×1 · first clear

Enemy spawns (8)

EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotes
Gabriel300%∞6.7s20s~23.3s100%—
Aku Doge500%310s13.3s~16.7s100%—
Mr. Angel100%100.1s10s~13.3s99%—
Aku Doge500%∞0.1s23.3s~30s99%—
Aku Gory250%50.1s26.7s~30s99%—
Angelic Sleipnir100%10.1s—99%—
Camelle200%10.1s—99%Boss
Ms. Sign100%∞900s900s100%—
All Empress' Report 1 stages