Collaboration Stages · Stage 4Pit FighterピットファイターData updated: 2026-07-2460Energy Cost8,460XP Reward12,500Enemy Base HP4,400Stage Length20Max Enemies2.2Difficulty Build a lineup for this stage Test your team vs this stageStage rewards100% — Legendary Dumbbell ×1 · first clear65% — Legendary Dumbbell ×1Enemy spawns (5)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesThose Guys100%∞3.3s26.7s~33.3s100%—Hippoe100%26.7s26.7s~33.3s100%—Teacher Bear100%10s—99%—Hippoe100%3-6.7s20s~26.7s99%—Jack Hammer (Enemy)120%10s—99%BossAll Strongest Things Alive stages