Underground Labyrinth · Stage 91Underground B91F地底91層50Energy Cost2,820XP Reward200,000Enemy Base HP5,500Stage Length20Max Enemies9.4Difficulty Test your team vs this stageStage rewards50% — XP ×500,000 · Treasure RadarEnemy spawns (8)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesCerberus Kids200%520s0.7s~1s100%—Cerberus Kids200%533.3s0.7s~1s100%—Cerberus Kids200%580s0.7s~1s100%—Cerberus Kids200%5126.7s0.7s~1s100%—Cerberus Kids200%5173.3s0.7s~1s100%—Cerberus Kids200%∞20s13.3s~16.7s99%—Celeboodle200%∞20s13.3s~16.7s99%—Dober P.D100%126.7s—99%BossAll Underground Labyrinth: The Grand Deep stages