Ghostly Corrosion

Steps

 * 1) talk to Bloo the Exiled at the beach camp. # Gather pond water #* clickable spot in the pond nearby marked on map # place the bowl near Bloo #* another hard to see sparkly clickable spot in front of Bloo's rock # kill 6 etherwisps or netherwisps # place hem in the bowl # let Bloo do his thing # Winning!

Rewards

 * At least
 * 132 charm