Special Stages · Stage 6Mutation Lv.6突然変異Lv.6120Energy Cost16,920XP Reward250,000Enemy Base HP6,000Stage Length3Max Enemies7.2Difficulty Test your team vs this stageStage rewards100% — Cat Ticket ×1 · first clearEnemy spawns (4)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesLord Gravey100%10s—100%BossCadaver Bear100%233.3s60s100%—Miss Haka100%166.7s—100%—Ms. Sign100%∞900s900s100%—All Resident Undead stages