Special Stages · Stage 4Aku Studies 301: Inquiry悪魔研究Ⅲ考察Data updated: 2026-07-24100Energy Cost8,930XP Reward900,000Enemy Base HP5,800Stage Length10Max Enemies9.3Difficulty Build a lineup for this stage Test your team vs this stageStage rewards100% — Aku Catfruit Seed ×1 · first clearEnemy spawns (8)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesLord Gravey200%110s—100%BossMiz Devil300%∞20s20s~23.3s100%—Chickful A200%323.3s53.3s~56.7s100%—Zroco200%633.3s26.7s~30s100%—Heavenly Hippoe300%540s36.7s~40s100%—Miz Devil300%1080s10s~16.7s100%—Zory200%393.3s53.3s~56.7s100%—Ms. Sign100%∞900s900s100%—All Empress' Report 3 stages