Collaboration Stages · Stage 1Schoolyard Clash校庭の激闘1★ 100%2★ 200%3★ 300%4★ 300%Data updated: 2026-07-2430Energy Cost4,230XP Reward1,500Enemy Base HP4,500Stage Length8Max Enemies1.1Difficulty Build a lineup for this stage Test your team vs this stageStage rewards5% — Li'l Shirou · first clear · Treasure RadarEnemy spawns (2)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesRin Tohsaka (Enemy)2%110s—100%BossMs. Sign100%∞900s900s100%—All The Holy Grail War stages