((um.. wings ? if you dont look in the sun its hard to spot some one in the sky near it point or at night ween its dark out so its not as hard as youed think also he could of falowed her sent but im working under the thought the there was some thing to hide her sent in the smoke so D ragon gos out the door jumps on the roof then go sky wards spots her runing then glides along silently along after her as for the door thats kindof a given for assassin))