Quote (wert1449 @ 13 Aug 2018 21:45)
Infinity breaks immunes but -light res still helps down to -100. One of the real pvm nerds can chime in with the exact numbers but either way it still depends on whether the rest of your gear has -res on it. Also 18/15 vs 19/14 rlly isn't going to matter either way so just use 1
You deal 100 light dmg:
Monster has 110res (immune)
Infi lowers at 17 (only 1/5th when on a immune). So 93res remain, 7dmg taken. Then -res factors in. (Ex -20griffon). 73res remain. So its 27dmg taken. 27/7=3.8.... you deal close to 280% more dmg than you would deal without griffon.
Monster has 50res
Infi lowers at 85. -35 remain, 135dmg taken. -20from griffon leads to 155dmg taken. Thats just 155/135=1.15... you deal 15% more dmg than without griffon.
Tldr:
-res is extremely powerful on broken LI mobs and very powerless on non-immunes if they are under conv.
+light dmg is only powerful on non-sorces, since a sorc has lightning mastery and it just gets added. So a 20% griffon increases your lightning +% from 300% to 320% (just an example)