Collaboration Gauntlets · Stage 15Land of Dreams Lv15夢の世界 Lv.15130Energy Cost11,609XP Reward950,000Enemy Base HP5,000Stage Length10Max Enemies10.2Difficulty Test your team vs this stageStage rewards100% — XP ×1,000,000 · first clear · Treasure RadarEnemy spawns (6)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesMessierHP 800% / ATK 350%113.3s—100%BossGabriel600%∞23.3s26.7s~33.3s100%—Those Guys5000%∞23.3s6.7s~13.3s100%—Gabriel600%833.3s13.3s~20s100%—Heavenly Hippoe450%∞33.3s42.7s~46.7s100%—Shadow Boxer K350%540s65.3s~68s100%—All Messier's Assault stages