Boo Portal

Spawn rate: 2%

Trigger Condition

Legend Stage victory

Location Hint

Base spawn point after victory

Time Limit

Short window - enter immediately after spawn

Strategy

Portal spawns at base after Legend Stage final victory. Must enter immediately before stage ends. Inside: 20 waves with 4000+ HP enemies. Bring at least two Mythical units with control skills. Completing the portal rewards the secret Majin Buu unit.

🎁 Reward

Completing this portal rewards the secret Majin Buu unit - one of the rarest units in the game.

Failure Cases & Reset Tips

If you miss the short entry window after victory, the portal disappears and you will need another Legend clear to roll the 2% chance again. Reset quickly and prioritize immediate entry when the portal appears.

Related Content

🌀 Portal

All Portals

Browse every confirmed portal trigger and strategy.

🌀 Portal

Secret Dungeon Portal

Random spawn during Infinite Mode

🌀 Portal

Ant Island Dungeon

Unlocked after completing Story Chapter 5

Community Data

Loot drops are estimated based on community reports. Actual drop rates may vary.