Miles, the Wheel of Knowledge Draik can be found near the Brightvale castle, always encouraging one and all to add a bit of enlightenment to their day. He came up with the idea after seeing the Wheel of Excitement, and opened the Wheel of Knowledge after getting the go ahead from King Hagan... provided the King received 400 Neopoints in royalties for his wisdom, per spin.
During the Void Within plot, Miles was a victim of the Grey Curse, and looked more like this:
