ToME: the Tales of Maj'Eyal

The Crystalline Focus is currently useless for a good portion of the classes, all of the casters and archers. If it could be applied to (perhaps only metallic) armour in the same way, it would be useful to all classes. I think that it should give equivalent bonuses, (+25% armour and defense, +12 spell and physical power, +3 Will and Con, +10% arcane damage, and change shield or glove damage type to arcane) I don't think that this would make it too powerful, and still keep the feel of the item.

I think it should also affect a bow or sling's default ammo as well as the weapon itself, so that it will not be utterly useless to those specializing in bows or slings.