Yeah i use uesp. We did some testing with 0 and 8000 penetration on target with hardcasted frags, damage dealt had only 200 difference on 8k pene. Target had 18k res. Right now feels pene is way overestimated, maybe use pene points in crit dmg/healing CP now? I mean literally the very moment, do you see much difference with 0 and 8,5k penetration? I do know UESP says effective spellpower goes up via pene but test it yourself in game and say is it true or false that pene doesn't count in this very patch. By target i mean a player in a duel, not old dummy