Special Stages · Stage 4
Special Stages 401: Stage 4
決断を迫る提督 超極ムズ
Special Stages 401: Stage 4 is a Battle Cats stage in 開国してください. It costs 200 energy and sends 12 enemy spawn lines — led by Perry Duche as the boss — against a 1,200,000 HP enemy base, and clearing it rewards 17,860 XP. Its enemies carry the Aku, Alien and Black traits, so cats that target them do the most work here.
Data updated: 2026-08-31
200Energy Cost
17,860XP Reward
1,200,000Enemy Base HP
5,800Stage Length
10Max Enemies
10.3Difficulty
Enemy spawns (12)
| Enemy | Strength | Count | First Spawn | Respawn | Base HP Trigger | Notes |
|---|---|---|---|---|---|---|
 Aku Doge | 500% | 7 | 10s | 10s~16.7s | 100% | — |
 General GreGory | 2500% | 1 | 16.7s | — | 100% | — |
 Condemned Peng | 400% | 1 | 34.7s | — | 100% | — |
 Perry Duche | 3500% | 1 | 33.3s | — | 99% | Boss |
| Aku Doge | 500% | 1 | 0s | — | 99% | — |
| Aku Doge | 500% | 5 | -10s | 20s~26.7s | 99% | — |
| General GreGory | 2500% | 4 | -13.3s | 26.7s~33.3s | 99% | — |
| Condemned Peng | 400% | 2 | -23.3s | 46.7s | 99% | — |
| Aku Doge | 500% | 3 | -33.3s | 33.3s | 99% | — |
 Commander Ostromeda | 150% | 1 | -34.7s | — | 99% | — |
| Condemned Peng | 400% | 1 | -46.7s | — | 99% | — |
| Aku Doge | 500% | 2 | -60s | 10s~20s | 99% | — |