Collaboration Stages · Stage 1

Lower Rank Five - Rui (Easy)

下弦の伍・累 初級

Lower Rank Five - Rui (Easy) is a Battle Cats stage in Mission: Slay Rui!. It costs 50 energy and sends 6 enemy spawn lines — led by Rui as the boss — against a 10,000 HP enemy base, and clearing it rewards 7,050 XP.

Data updated: 2026-08-31

50Energy Cost
7,050XP Reward
10,000Enemy Base HP
4,000Stage Length
5Max Enemies
2.2Difficulty
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Enemy spawns (6)

EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotes
Hippoe100%36.7s46.7s~53.3s100%—
Baa Baa100%116.7s—100%—
Snache100%∞26.7s20s~26.7s100%—
Rui10%146.7s—100%Boss
Demon Doge150%∞66.7s60s~66.7s100%—
Ms. Sign100%∞900s900s100%—
All Mission: Slay Rui! stages