Quote Originally Posted by Mailstrum View Post
what he means is line of sight as in Damaging offensive spells must have you Facing the target to cast at them. You cannot put your back to a mob and cast a spell on it you must face it. unlike healing spells and mitigation spells do not require you to face the target. there is a very small window that is considered facing your target.
Ah I see.

I see this as inconsistent behavior in-game and I will treat this as a bug instead of feature until verified by devs / mods.