Artillery subclass
you do not require line of sight for ranged spells or abilities centered around a point if you are outside and within range make a spell attack (even if not required by the spell). A 17 or higher is right on, a 12-16 is within the AOE to hit the target, 2-12 is a miss, 1 is a misfire, effects based on the spell used. you may take this only once.