Special Stages · Stage 1Mutation Lv.1突然変異Lv.1Data updated: 2026-07-2460Energy Cost8,460XP Reward10,000Enemy Base HP4,200Stage Length15Max Enemies2.1Difficulty Build a lineup for this stage Test your team vs this stageStage rewards100% — Cat Ticket ×1 · first clearEnemy spawns (8)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesSnache100%513.3s2s~6s100%—Doge100%∞10s13.3s~20s100%—Zoge20%140s—100%BossSnache100%543.3s2s~6s100%—Snache100%∞40s16.7s~23.3s100%—Doge100%∞0s13.3s~20s99%—Zoge20%10s—99%—Ms. Sign100%∞900s900s100%—All Resident Undead stages