Collaboration Stages · Stage 4BONUS STAGE100Energy Cost14,100XP Reward2,500,000Enemy Base HP5,000Stage Length1Max Enemies7.1DifficultyStage rewards4% — Ryu Cat · first clear · Treasure RadarEnemy spawns (1)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesCar (Enemy Base)250000%10s—0%Enemy base · BossAll Street Fighter - HARD - stages