Underground Labyrinth · Stage 16Underground B16F地底16層30Energy Cost1,692XP Reward350,000Enemy Base HP4,600Stage Length6Max Enemies8.3Difficulty Test your team vs this stageStage rewards50% — Catseye [Super Rare] ×1 · Treasure RadarEnemy spawns (5)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesShibalien Elite100%∞16.7s23.3s~30s100%—Calamary100%120s—100%BossHelmut Krabbe500%530s20s~26.7s100%—Imperator Sael600%336.7s36.7s~40s100%—Shibalien Elite100%383.3s16.7s~20s100%—All Underground Labyrinth: The Grand Deep stages