Continuation Stages · Stage 1
The Door Opens...
扉が開いた！天国？地獄？
The Door Opens... is a Battle Cats stage in 時の運EX(地獄). It costs 0 energy and sends 1 enemy spawn line against a 999,999 HP enemy base, and clearing it rewards 465 XP. Its enemies carry the Black trait, so cats that target it do the most work here.
Data updated: 2026-08-31
0Energy Cost
465XP Reward
999,999Enemy Base HP
6,000Stage Length
10Max Enemies
12.3Difficulty
Enemy spawns (1)
| Enemy | Strength | Count | First Spawn | Respawn | Base HP Trigger | Notes |
|---|---|---|---|---|---|---|
 Assassin Bear | 100000% | ∞ | 0s | 6.7s | 100% | — |