Special Stages · Stage 2Aku Studies 301: Methods悪魔研究Ⅲ方法Data updated: 2026-07-24100Energy Cost8,930XP Reward880,000Enemy Base HP4,700Stage Length15Max Enemies9.3Difficulty Build a lineup for this stage Test your team vs this stageStage rewards100% — Catseye [Legend] ×1 · first clearEnemy spawns (10)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesMiz Devil300%110s—100%—Metal Hippoe300%113.3s—100%—Miz Devil300%220s3.3s~10s100%—Miz Devil300%233.3s3.3s~6.7s100%—Metal Hippoe300%∞0.1s33.3s~40s99%—Super Metal Hippoe200%10.1s—99%BossMiz Devil300%300.1s6.7s~13.3s99%—Miz Devil300%150.1s3.3s~6.7s99%—Miz Devil300%∞0.1s16.7s~23.3s99%—Ms. Sign100%∞900s900s100%—All Empress' Report 3 stages