Underground Labyrinth · Stage 52Underground B52F地底52層40Energy Cost2,256XP Reward600,000Enemy Base HP5,000Stage Length10Max Enemies9.1Difficulty Test your team vs this stageStage rewards50% — Catseye [Special] ×2 · Treasure RadarEnemy spawns (7)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesHelmut Krabbe1400%∞6.7s23.3s~30s100%—Helmut Krabbe1400%220s6.7s~10s100%—Mistress Celeboodle800%526.7s23.3s~30s99%—Helmut Krabbe100%16.7s—99%BossHelmut Krabbe1400%66.7s6.7s~10s99%—Star Peng300%553.3s23.3s~26.7s99%—Corporal Weyland300%220s3.3s~6.7s99%—All Underground Labyrinth: The Grand Deep stages