Special Stages · Stage 2Kinetic Power圧倒的運動エネルギー1★ 100%2★ 150%3★ 200%4★ 300%70Energy Cost14,100XP Reward30,000Enemy Base HP4,500Stage Length20Max Enemies3.1Difficulty Test your team vs this stageStage rewards35% — XP ×15,00065% — XP ×9,000Enemy spawns (5)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesLarge Red Ball100%113.3s—100%—Large Red Ball100%20s20s99%—Large Red Ball100%40s10s~11.7s99%—Large Red Ball1%10s—99%BossMs. Sign100%∞900s900s100%—All River City Ball-Rolling stages