Impregnable Fortress
Invincible Fist
Collaboration Stages · Street Fighter (Easy) · 8/8
Energy100
Clear XP3,000
Base HP10,000
Map length4,100
Max enemies5
Spawn interval0.03s
Enemy traits 
Traitless 
Red
Traitless Red Boss
Spawn timeline
Scroll sideways to see more.
Enemies 4 types
| Enemy | Count | Mag. | HP | Attack | First | Respawn |
|---|---|---|---|---|---|---|
 Ryu Boss | 1 | 6% | 12,000 | 240 | 16.67s | — |
 B.B.Bunny | 3 | 100% | 500 | 50 | 26.67s | 16–18s |
 Hippoe | 1 | 100% | 1,000 | 100 | 40s | — |
| B.B.Bunny | 3 | 100% | 500 | 50 | 80s | 10–12s |
| Hippoe | 1 | 100% | 1,000 | 100 | 83.33s | — |
| B.B.Bunny | 3 | 100% | 500 | 50 | 120s | 4–6s |
| Hippoe | 1 | 100% | 1,000 | 100 | 123.33s | — |
| B.B.Bunny | Unlimited | 100% | 500 | 50 | 150s | 30–32s |
 Ms. Sign | Unlimited | 100% | 10,000 | 1 | 900s | 900s |
HP and attack include the magnification.
Clear rewards
If the reward chances add up to more than 100, the rows are rolled in order and each later row shares what is left.
Score rewards
Earned when your battle score reaches that value.