Collaboration Stages · Stage 4You Should Have Stayed Asleepまだ寝てて良かったのに1★ 100%2★ 150%150Energy Cost21,150XP Reward320,000Enemy Base HP5,000Stage Length20Max Enemies6.2Difficulty Test your team vs this stageEnemy spawns (9)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesEyes of Forced Unconscious Sleep (Enemy Base)3200000%10s—0%Enemy baseDemon Doge1200%∞33.3s20s~26.7s100%—Gabriel100%116.7s—100%—Heavenly Hippoe100%226.7s66.7s~73.3s100%—Shadow Boxer K100%273.3s53.3s~60s100%—Gabriel100%2100s6.7s~10s100%—Gabriel100%2166.7s6.7s~10s100%—EnmuHP 3400% / ATK 1500%113.3s—100%BossMs. Sign100%∞900s900s100%—All Mugen Train stages