|Official description||Your big, bad dad wants to show you the ropes of being a villain. Back him up as he takes on those pesky brothers!|
|Character(s) used||Bowser Jr. (1 stock)|
|Allies||Giant Bowser (1 stock)|
|Opponent(s)||Mario (1 stock)|
Luigi (1 stock)
|Music||Fortress Boss (Super Mario World)|
|Objective for Reward||Clear on normal difficulty or higher within 30 seconds.|
|Availability||Clear The King Strikes Back|
This event is unlocked by clearing The King Strikes Back. Completing the event unlocks the left path.
Completing the event on normal or hard difficulty within 30 seconds awards a Bob-omb Drill equipment.
- The music used in this event, Fortress Boss (Super Mario World), normally plays on Mushroom Kingdom U, rather than Mario Galaxy.