Special Stages · Stage 4Red vs White紅白玉合戦1★ 100%2★ 150%3★ 200%4★ 300%150Energy Cost32,900XP Reward90,000Enemy Base HP5,000Stage Length10Max Enemies5.1Difficulty Test your team vs this stageStage rewards40% — XP ×75,00060% — XP ×50,000Enemy spawns (8)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesLarge White Ball4000%16.7s—100%—Large Red Ball400%116.7s—100%—Large White Ball4000%130s—100%—Large Red Ball400%146.7s—100%—Large Red Ball400%60s10s~13.3s99%—Large White Ball4000%90s6.7s99%—Large Red Ball1%10s—99%BossMs. Sign100%∞900s900s100%—All River City Ball-Rolling stages