Collaboration Stages · Stage 17 Days on Mt. Fujikasane藤襲山で七日間生き延びること1★ 100%2★ 150%3★ 200%4★ 200%30Energy Cost4,230XP Reward2,000Enemy Base HP4,000Stage Length20Max Enemies1.1Difficulty Test your team vs this stageStage rewards5% — Tanjiro Cat · first clear · Treasure RadarEnemy spawns (5)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesSnache100%56.7s30s~36.7s100%—Demon Doge100%416.7s20s~26.7s100%—Demon Doge100%160s—100%—Snache100%140s—100%—Ms. Sign100%∞900s900s100%—All Demon Slayer Corps Final Selection stages