Main Chapters · Stage 21

Into the Future Ch. 3 — Stage 21

フィリピン

Into the Future Ch. 3 — Stage 21 is a Battle Cats stage in Into the Future Ch. 3. It costs 66 energy and sends 13 enemy spawn lines against a 130,000 HP enemy base, and clearing it rewards 7,000 XP. Its enemies carry the Alien and Red traits, so cats that target them do the most work here.

Data updated: 2026-08-31

66Energy Cost
7,000XP Reward
130,000Enemy Base HP
4,800Stage Length
10Max Enemies
7.1Difficulty
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Cats that counter Into the Future Ch. 3 — Stage 21

Cats whose attacks target Alien and Red, best DPS first — the traits this stage’s enemies actually carry:

Warlock and PierreChun-LiThunder JackLovestruck Lesser DemonTakeda ShingenNezuko Kamado

Enemy spawns (13)

EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotes
Snache1200%1010s5s~10s100%—
Those Guys1200%1013.3s5s~10s100%—
Shibalien500%∞16.7s8.3s~16.7s100%—
Imperator Sael500%120s—100%—
Sir Seal1200%133.3s—100%—
Sir Seal1200%136.7s—100%—
Le'boin1200%∞46.7s60s100%—
Imperator Sael500%153.3s—100%—
Imperator Sael500%156.7s—100%—
Imperator Sael500%∞60s26.7s~40s100%—
Sir Seal1200%∞80s26.7s~40s100%—
Le'boin1200%∞100s60s100%—
Ms. Sign100%∞900s900s100%—
All Into the Future Ch. 3 stages