Eventually you're digested and begin to drain into your trainer's intestines. An about equal amount of time later your remains are pushing against your trainer's anus. When you are he's walking along a path on the forest a ways away from his town. He simply walks off the path, slips off his trousers and squats down. You begin to exit, a log with a few bones sticking out of it. Your liquids also exit and splash against the ground. He finishes, straightens himself and mutters "Yeah, definitely doing this with Sceptile."