Special Stages · Stage 3

Aku Studies 101: Field Research

悪魔研究Ⅰ発見

Aku Studies 101: Field Research is a Battle Cats stage in Empress' Report 1. It costs 100 energy and sends 8 enemy spawn lines against a 750,000 HP enemy base, and clearing it rewards 8,930 XP. Its enemies carry the Aku trait, so cats that target it do the most work here.

Data updated: 2026-08-31

100Energy Cost
8,930XP Reward
750,000Enemy Base HP
3,900Stage Length
12Max Enemies
9.1Difficulty
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Cats that counter Aku Studies 101: Field Research

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

Thunder JackLovestruck Lesser DemonBunny & CanardDaybreaker IzanagiMighty Rekon KorpsCake Machine

Stage rewards

100% — Rich Cat ×3 · first clear

Enemy spawns (8)

EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotes
Wall Doge300%33.3s0.7s100%—
Cerberus Kids500%∞6.7s6.7s~13.3s100%—
Aku Gory250%426.7s36.7s100%—
Wall Doge300%360s0.7s100%—
Wall Doge300%396.7s0.7s100%—
Wall Doge300%3133.3s0.7s100%—
Aku Gory250%∞136.7s50s~53.3s100%—
Ms. Sign100%∞900s900s100%—
All Empress' Report 1 stages