Collaboration Stages · Stage 1難攻不落の城とドラゴン — Stage 1リーグ解禁！ 激ムズ1★ 100%2★ 150%3★ 200%4★ 250%Data updated: 2026-07-24100Energy Cost14,100XP Reward400,000Enemy Base HP5,200Stage Length9Max Enemies6.1Difficulty Build a lineup for this stage Test your team vs this stageStage rewards1% — XP ×300,000 · Treasure RadarEnemy spawns (13)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesCastle Guard (Enemy)800%100s5s~10s100%—Castle Guard (Enemy)800%55s10s~16.7s100%—Ashura (Enemy)200%116.7s—100%—Castle Horseman (Enemy)400%330s3s100%—Ashura (Enemy)200%136.7s—100%—Ashura (Enemy)200%140s—100%—Castle Horseman (Enemy)400%∞80s20s~30s100%—Dragon Rider (Enemy)200%40.1s16.7s~33.3s90%—Dragon Rider (Enemy)200%80.1s10s90%—Ashura (Enemy)200%∞0.1s33.3s~50s90%—Castle Guard (Enemy)800%∞0.1s6.7s~10s90%—Cyclops (Enemy)200%10.1s—90%BossMs. Sign100%∞900s900s100%—All 難攻不落の城とドラゴン stages