Dont make anything extreme of overpowered.
This goes more for future demigods.
Extreme character making there is a good chance to ruin the gameplay.
Everytime you make a skill extreme you run the risk of it comboing real good with something else or not matching up against another demigod.
Hence you make a rock, paper, scissor game where the match is decided before the game even starts. Oh they got sedna and X we cant out damage thier survibility. Or they got 3 regulus and we dont have anyone who can counter. Especially later on as gameplay is figured out and teams form.
From a style standpoint and maybe even a handling standpoint its great to make each demigod unique. But power wise no demigod should have anything that stands to far out from the pack less you end up with a rock paper scissor game, instead of a strategy game.