The soarwing is a device that gives the user the ability to fly. You need to have sufficient Psyenergy to go higher or else it only goes down. Created by Ivan using some common and uncommon devices it is broken, by Tyrell, in Golden Sun: Dark Dawn which sets off the main story quest. The main item missing is a Mountain Roc Feather that comes from a Mountain Roc, a legendary large bird, that is so rarely seen that the number of birds still alive is thought to be be very low. It is needed to fly to Mt. Aleph in Golden Sun: Dark Dawn.