The Dojo of Oi Dong is situated in the airiest of valleys up in the Club Penguin Mountains. It is the home of the Time Ninjas, more properly the The Temporal Ninjas of the order of Joe. Created by Joe, it is a beautiful place, with cherry blossoms that are always in bloom and ice floating on the streams all the time (although Inga's final gift on graduating is to move time forward from Eternal Spring to Eternal Summer, and to turn the bloom into fruit. This is possibly highly symbolic of something or other.) The grounds include classrooms for the various lectures, a number of dojos for physical training, an area for technological experiments (using the power of time to blow things up), Joe's Garden of Five Surprises, the Garden of the Four Elements, the Inga's quarters, the Mandala hall, a