Collaboration Stages · Stage 4Don't Say Farewell別れ際にさよならなんて1★ 100%2★ 200%3★ 300%4★ 400%Data updated: 2026-07-24150Energy Cost88,830XP Reward150,000Enemy Base HP4,600Stage Length20Max Enemies5.1Difficulty Build a lineup for this stage Test your team vs this stageStage rewards10% — XP ×100,000 · Treasure RadarEnemy spawns (6)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesSquire Rel500%∞0s13.3s100%—Gory500%26.7s13.3s100%—Squire Rel500%100s10s99%—Teacher Bear500%30s33.3s99%—The 6th Angel (Enemy)50%133.3s—99%BossMs. Sign100%∞900s900s100%—All Decisive Battle! stages