Special Stages · Stage 4Aku's Whisper (Merciless)悪魔の囁き 超極ムズ300Energy Cost28,200XP Reward900,000Enemy Base HP4,500Stage Length20Max Enemies9.4Difficulty Test your team vs this stageStage rewards25% — Aku Catfruit Seed ×2 · Treasure Radar75% — Aku Catfruit Seed ×1Enemy spawns (10)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesAku Altar (Enemy Base)900%10.1s—0%Enemy baseCerberus Kids300%100s0.7s~3.3s100%—Miz Devil300%530s0.7s~2s100%—Cerberus Kids300%∞0s10s~20s99%—Sinner Snache300%∞0s20s~40s99%—Sinner Snache300%120s3.3s~6.7s99%—Condemned Peng300%60s6.7s~13.3s99%—Fallen Bear150%20s20s99%—Cerberus Kids100%10s—99%BossMs. Sign100%∞900s900s100%—All Growing Evil stages