Overload

Feat available for use by Artificers or class that has obtained Mastery over specific elemental damage. There are 3 levels starting with Initiate, moving to Adept, and finally Oracle. This build uses Lightning damage but can use any other element of choice and moves up a level in mastery for every 2 character levels. Beginning at level 16, then 18, and finally 20, damage dice and spell saves also level up at this same time while the function of the spell changes.