Collaboration Stages · Stage 1
Swarm of Spiders
蠢く無数の蜘蛛
Swarm of Spiders is a Battle Cats stage in Battle at Mt. Natagumo. It costs 50 energy and sends 4 enemy spawn lines — led by Rui as the boss — against a 10,000 HP enemy base, and clearing it rewards 8,460 XP.
Data updated: 2026-08-31
50Energy Cost
8,460XP Reward
10,000Enemy Base HP
4,000Stage Length
12Max Enemies
2.1Difficulty
Enemy spawns (4)
| Enemy | Strength | Count | First Spawn | Respawn | Base HP Trigger | Notes |
|---|---|---|---|---|---|---|
 Those Guys | 100% | 20 | 6.7s | 13.3s~20s | 100% | — |
| Those Guys | 100% | 7 | -3.3s | 6.7s~13.3s | 99% | — |
 Rui | 7% | 1 | 0s | — | 99% | Boss |
 Ms. Sign | 100% | ∞ | 900s | 900s | 100% | — |