Underground Labyrinth · Stage 37Underground B37F地底37層40Energy Cost2,256XP Reward600,000Enemy Base HP4,700Stage Length10Max Enemies9.1Difficulty Test your team vs this stageStage rewards50% — XP ×300,000 · Treasure RadarEnemy spawns (5)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesDark Otter150%116.7s—100%—Doge Dark800%226.7s16.7s~20s100%—Doge Dark800%∞26.7s16.7s~20s99%—Gory Dark300%46.7s23.3s~30s99%—Le'noir150%186.7s—99%BossAll Underground Labyrinth: The Grand Deep stages