'''Fullmoon Island''' is an island located in the northwest area of Sinnoh where you can catch [[Cresselia]]. You first go there to get the [[Lunar Wing]] from [[Cresselia]], which she drops when she flees, for the sailor's son, in order to wake him from his nightmare. Then, you can track [[Cresselia]] with your Poketch. There are many glitches using Mystery Zone, including one causing the play[[File:Fullmoon_island_by_alexpp419.jpg|thumb|The Fuullmoon Island]]er to fight a level 255 [[Mewtwo]].