Towers · Stage 4Floor 44階120Energy Cost10,716XP Reward100,000Enemy Base HP5,000Stage Length6Max Enemies4.1Difficulty Test your team vs this stageStage rewards100% — XP ×250,000 · first clearEnemy spawns (4)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesBlack Slug100%53.3s16.7s100%—Black Slug100%486.7s20s100%—Black Slug100%∞170s23.3s~26.7s100%—Ms. Sign100%∞900s900s100%—All Dark Citadel stages