Alright, Boo already knows this, but I'm just saying it again. I really have 3 Element Power, but Boo didn't update the powers, so that's why it say 2, but I really have 3.
Use Aguamenti Lvl1 on YoshiMan.
Go down
Land on Blue.
Use Aguamenti Lvl1 on YoshiMan.
Go down
Land on Blue.