Haven't had much chance to play, but did log on to phone for rerolls on an mc. Screen shots for your amusement. Mc is lvl 30 so dunno if I will reach 280 hps eventually.
https://imgur.com/a/Lg5KH
Mc rerolls
Re: Mc rerolls
i wouldn't sweat it, I'd just try and find the most str/mentals/dex and stop at 13-14 con as it will all be relative with the cap.