Collaboration Stages · Stage 5Son of the Strongest Thing地上最強の生物の息子Data updated: 2026-07-2470Energy Cost9,870XP Reward20,000Enemy Base HP4,500Stage Length20Max Enemies3.1Difficulty Build a lineup for this stage Test your team vs this stageStage rewards100% — Legendary Dumbbell ×1 · first clear76% — Legendary Dumbbell ×1Enemy spawns (7)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesDoge150%∞3.3s40s~46.7s100%—Snache150%∞6.7s40s~46.7s100%—Pigge150%26.7s33.3s~40s100%—Mooth150%120s—100%—Pigge150%40s20s~26.7s99%—Mooth150%20s33.3s~40s99%—Baki Hanma (Enemy)250%10s—99%BossAll Strongest Things Alive stages