Gauntlets · Stage 7Steel Cradle硬き本能の起源300Energy Cost26,790XP Reward600,000Enemy Base HP4,700Stage Length15Max Enemies8.2Difficulty Test your team vs this stageStage rewards85% — 減輕傷害 D: 鋼 ×115% — 減輕傷害 C: 鋼 ×1Enemy spawns (5)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesMetal Hippoe200%100s10s~13.3s100%—Croconator100%∞6.7s10s~13.3s100%—Croconator100%6013.3s1s~4s100%—Super Metal Hippoe200%323.3s16.7s~23.3s100%—Ms. Sign100%∞900s900s100%—All Island of Hidden Treasure stages