Collaboration Stages · Stage 1Futagoyama Fortress二子山第２要塞1★ 100%2★ 200%3★ 300%4★ 400%80Energy Cost33,840XP Reward3,000Enemy Base HP4,500Stage Length10Max Enemies1.1Difficulty Test your team vs this stageStage rewards10% — XP ×10,000 · Treasure RadarEnemy spawns (6)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesDoge100%50s10s100%—Snache100%320s6.7s100%—Doge100%50s20s~30s90%—Those Guys100%40s6.7s90%—The 6th Angel (Enemy)5%10s—90%BossMs. Sign100%∞900s900s100%—All Decisive Battle! stages