Special Stages · Stage 1Feathergeddon I (Merciless)一石三鳥Ⅰ 超極ムズ200Energy Cost18,800XP Reward1,200,000Enemy Base HP5,000Stage Length20Max Enemies10.3Difficulty Test your team vs this stageEnemy spawns (6)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesDoge Dark1200%36.7s26.7s~33.3s100%—Celeboodle1000%213.3s40s~46.7s100%—Doge Dark1200%∞0s26.7s~33.3s99%—Celeboodle1000%∞-13.3s40s~46.7s99%—Darkmadillo300%3-40s60s~66.7s99%—Poultrio100%10s—99%Boss (shockwave)All Invasion of Poultrio stages