Would Magic Resistence With Area Effect Protect Me From All Magic?

[evileeyore]

Originally Posted by scc

Presumably the fire in a Fire Ball is being feeding off magic to remain burning until it impacts, and magic is guiding it in.

No it doesn't. Which is why a Fireball can cross a No Mana Zone.

Another interesting cases would be Illusion Disguise, normally Magic Resistance won't effect this spell as it doesn't do anything to you, but apply Area Effect and things change.

No it won't. Not even a little.