Collaboration Stages · Stage 1I can’t refuse to fight.逃げるわけにはいかない！1★ 100%2★ 150%3★ 200%4★ 300%Data updated: 2026-07-2480Energy Cost33,840XP Reward1,500Enemy Base HP3,600Stage Length9Max Enemies1.1Difficulty Build a lineup for this stage Test your team vs this stageStage rewards5% — Osamu Mikumo & Cat · first clear · Treasure RadarEnemy spawns (6)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesDoge100%310s21.7s~23.3s100%—Doge100%313.3s21.7s~23.3s100%—Those Guys100%216.7s21.7s~23.3s100%—Doge100%∞0s13.3s~20s90%—Osamu Mikumo & Doge1%10s—90%BossMs. Sign100%∞900s900s100%—All Battle! Tamakoma Second's Leader stages