Collaboration Stages · Stage 4After-Battle Introspection反省は全部終わってからだ1★ 100%2★ 150%3★ 200%4★ 300%Data updated: 2026-07-24150Energy Cost84,600XP Reward160,000Enemy Base HP4,500Stage Length30Max Enemies5.1Difficulty Build a lineup for this stage Test your team vs this stageStage rewards25% — Osamu Mikumo & Cat · first clear · Treasure RadarEnemy spawns (12)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesCroco400%30s3s~6s100%—Squire Rel400%36.7s3s~6s100%—Croco400%420s2s~4s100%—Squire Rel400%426.7s2s~4s100%—Croco400%540s1s~3s100%—Squire Rel400%546.7s1s~3s100%—Master A.100%1-20s—99%—Croco400%∞0s20s~40s99%—Squire Rel400%∞0s20s~40s99%—Those Guys400%200s2s~4s99%—Osamu Mikumo & Doge200%10s—99%BossMs. Sign100%∞900s900s100%—All Battle! Tamakoma Second's Leader stages