Collaboration Stages · Stage 4高雄MRT オレンジライン — Stage 4104-031★ 100%2★ 150%3★ 200%Data updated: 2026-07-24200Energy Cost141,000XP Reward300,000Enemy Base HP6,000Stage Length15Max Enemies6.1Difficulty Build a lineup for this stage Test your team vs this stageStage rewards50% — HAPPI (True Form) · first clear · Treasure RadarEnemy spawns (8)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesHAPPI & Maji Cat & Cat (Enemy)200%126.7s—100%BossDoge Dark200%53.3s6.7s~10s100%—Doge Dark200%553.3s13.3s~16.7s100%—Doge Dark200%∞133.3s20s~30s100%—Gory Dark100%336.7s10s100%—Shadow Boxer K100%360s10s100%—Gory Dark100%20s10s99%—Ms. Sign100%∞900s900s100%—All 高雄MRT オレンジライン stages