That isn't elemental damage. That is elemental resistance. There are some skills (like mages Fire ward) that increase those numbers. I don't know the calculations for elemental resist, but when you resist a spell it makes it do 0 damage to you. Its effectivly "magical dodge"
Krayden
Co-leader of Serenity
Server Mithras
Krayden - K/W/S
Godussop - S/Wd/R/M
Zathal- D/W/S/Wd
I do a lot of my forum stuff from my phone, so forgive any typos please :3