The chaos dragon has the feats Hover, Lightning Reflexes, and Wingover. It has the following maxed out skills: Escape Artist, Knowledge (History, Religion), Listen, Search, Spot, and Use Magic Device.
Round 407: The rhinoceros flees.
Round 411: The stained glass golem flees after being breathed on. The chaos dragon can breathe in round 412 and is at 30N100E30Z flying north.
A huge red lizard with five heads stomps into the arena to 25N100E and looks up. The chaos dragon is next in round 411.