Special Stages · Stage 1

Aku Studies 101: Intro

悪魔研究Ⅰ序論

Aku Studies 101: Intro is a Battle Cats stage in Empress' Report 1. It costs 100 energy and sends 7 enemy spawn lines against a 650,000 HP enemy base, and clearing it rewards 8,930 XP. Its enemies carry the Aku and Alien traits, so cats that target them do the most work here.

Data updated: 2026-08-31

100Energy Cost
8,930XP Reward
650,000Enemy Base HP
4,300Stage Length
8Max Enemies
8.2Difficulty
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Cats that counter Aku Studies 101: Intro

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

Warlock and PierreChun-LiThunder JackLovestruck Lesser DemonTakeda ShingenNezuko Kamado

Stage rewards

100% — Catamin [A] ×3 · first clear

Enemy spawns (7)

EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotes
Aku Doge400%∞10s23.3s~30s100%—
Star Peng100%520s30s~36.7s100%—
General GreGory100%240s56.7s100%—
Aku Gory200%366.7s33.3s100%—
Aku Doge400%3100s10s~13.3s100%—
Aku Gory200%∞146.7s53.3s~60s100%—
Ms. Sign100%∞900s900s100%—
All Empress' Report 1 stages