Never saw the need to be a Vamp in this game.
https://m.youtube.com/watch?v=3y61IEEC97o Never been a vamp but considering making the change for the Magicka passives and mist form. Kinda worried about the increased flame damage tho. Seems to be a lot of that going on in PVP. I do wish there was more incentive to make the choice between vamp or WW.