I think it was Bowser Jr's Megahammer. I couldn't get the bullets into the glass head. What about you?
(SPOILER) What was the hardest Boss Battle so far?
- Thread starter waluigi48
- Start date
All of them were pretty easy. The first time I battled Gobblegut, it was hard. Either I didn't get out of the way quickly or I never had the time to spin into his bellyaches.