User blog comment:TomWelling/Things you should know about Kilgharrah/The Great Dragon/@comment-4916403-20121117131120

Like Alfons said, the colour changing is due to the scenery. He was gold due to the fact Merlin shined fire on him, and now he is navy blue it's because there is no light on him and he is under the blue sky (quoted by Alfons).

Kilgharrah is definitely not a bad informer, the alliance is destined and already has come true of some part. The vision Merlin saw, shows a Saxons badge on Mordred's shoulder which may mean, Morgana and he will ally.

At no point did Kilgharrah say he will look after Aithusa, so no one has the right to say he's a terrible guardian. Aithusa is growing quickly, she'll be fine.