Give Arcane Blades Aegis tree

[Grey]

I've said before that Divination seems wrong for Arcane Blades... well, give them Aegis instead as an initially locked tree. They lack much in the way of defensive abilities, and this would be a way of thematically rounding them out. The spells are possibly more useful to them that they are to archmages.

[darkgod]

Good idea, done