Underground Labyrinth · Stage 4Underground B4F地底4層20Energy Cost1,128XP Reward200,000Enemy Base HP5,000Stage Length20Max Enemies7.2Difficulty Test your team vs this stageStage rewards50% — Catseye [Rare] ×1 · Treasure RadarEnemy spawns (7)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesDoge Dark200%313.3s13.3s~16.7s100%—Mooth1200%123.3s—100%—Squire Rel1200%∞33.3s6.7s~10s100%—Shadow Boxer K150%1-6.7s—99%—Doge Dark200%∞10s23.3s~26.7s99%—Doge Dark200%110s—99%BossMooth1200%123.3s—99%—All Underground Labyrinth: The Grand Deep stages