Underground Labyrinth · Stage 29Underground B29F地底29層Data updated: 2026-07-2430Energy Cost1,692XP Reward600,000Enemy Base HP4,600Stage Length10Max Enemies8.3Difficulty Build a lineup for this stage Test your team vs this stageStage rewards50% — XP ×200,000 · Treasure RadarEnemy spawns (6)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesB.B.Bunny3000%2513.3s0.7s~1s100%—B.B.Bunny3000%1013.3s4s~6s100%—J.J. Jackrabbit100%233.3s20s~26.7s100%—B.B.Bunny3000%∞0.1s10s~13.3s99%—J.J. Jackrabbit100%60.1s30s~33.3s99%—Professor A.100%10.1s—99%BossAll Underground Labyrinth: The Grand Deep stages