Collaboration Stages · Stage 3Blade Ritual鬼鎮めの儀式1★ 100%2★ 150%3★ 200%4★ 300%90Energy Cost12,690XP Reward150,000Enemy Base HP4,200Stage Length6Max Enemies6.2Difficulty Test your team vs this stageEnemy spawns (10)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesYoichi (Enemy)600%10s—100%—Olga (Enemy)600%∞12s26.7s~40s100%—Norn (Enemy)600%320s26.7s~40s100%—Yoichi (Enemy)600%160s—100%—Yoichi (Enemy)600%166.7s—100%—Orthos (Enemy)600%30s20s~30s99%—Orthos (Enemy)600%80s6.7s~10s99%—Michelia (Enemy)300%10s—99%—Todomeki (Enemy)100%10s—99%BossMs. Sign100%∞900s900s100%—All Merc Storia: Mystery stages