Collaboration Stages · Stage 1It's Not Your Fault (Veteran)君のせいじゃない 超上級1★ 100%2★ 200%3★ 300%Data updated: 2026-07-24100Energy Cost14,100XP Reward200,000Enemy Base HP5,500Stage Length15Max Enemies5.2Difficulty Build a lineup for this stage Test your team vs this stageStage rewards5% — Shinji & Cat (True Form) · first clear · Treasure RadarEnemy spawns (5)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesUnit-13's False Evolution15%110s—100%BossThose Guys600%∞30s33.3s~50s100%—Those Guys600%∞60s33.3s~50s100%—Those Guys600%∞100s33.3s~50s100%—Those Guys600%∞150s33.3s~50s100%—All Unit-13 Strikes! stages