Gauntlets · Stage 15Duel at the Lava Fields (Commander)火口の決闘 大将250Energy Cost22,325XP Reward300,000Enemy Base HP6,000Stage Length1Max Enemies9.1Difficulty Test your team vs this stageStage rewards100% — Treasure Radar ×1 · first clear · Treasure RadarEnemy spawns (4)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesH. Nah100%16.7s—100%BossR.Ost100%13.3s—100%BossYoucan100%10s—100%BossAssassin Bear1000%∞900s900s100%—All Duel Stages Challenge stages