Special Stages · Stage 3
One-Use Cannon
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One-Use Cannon is a Battle Cats stage in Go Go Graduates!. It costs 100 energy and sends 7 enemy spawn lines — led by Bang-Bang as the boss — against a 70,000 HP enemy base, and clearing it rewards 8,930 XP.
Data updated: 2026-08-31
100Energy Cost
8,930XP Reward
70,000Enemy Base HP
3,300Stage Length
5Max Enemies
4.1Difficulty
Enemy spawns (7)
| Enemy | Strength | Count | First Spawn | Respawn | Base HP Trigger | Notes |
|---|---|---|---|---|---|---|
 Kang Roo | 250% | 1 | 13.3s | — | 100% | — |
 Squire Rel | 250% | ∞ | 6.7s | 8s~16s | 100% | — |
 Jackie Peng | 250% | ∞ | 3.3s | 33.3s~36.7s | 100% | — |
| Squire Rel | 250% | ∞ | 3.3s | 5.3s~6.7s | 99% | — |
| Jackie Peng | 250% | ∞ | 0s | 13.3s~16s | 99% | — |
 Bang-Bang | 50% | 1 | 0s | — | 99% | Boss |
 Ms. Sign | 100% | ∞ | 900s | 900s | 100% | — |