The Blue Dragon looks almost exactly like the other dragon mounts, only this one is blue. It can only be sold in the crown shop. It can be bought from the Crowns shop for 10,000 crowns or 85,000 gold. You can buy the Blue Dragon for 1 day or 7 days. You can also buy it permanently. You can sometimes get a blue dragon from earning prizes at the KingsIsle free games website. (kifreegames.com)