Me, I consider ISS enchanter class being 100% support for PVP and also for PVE.
If u play PVP u need to support the players with angel touch/buffs/res/cancel buffs do debuffs etc... so basic u have alot of things u have to do in PVP and no one will ask u do deal dmg.
If u play PVE with party again no one will ask you how much dmg u do and even if u boost full str and ability points and special ablity on wepons your dmg will still be low compare with the one a mg dealer does.
So in conclusion if u play with group u need to boost p.def and alot of HP and skill cd. so i say u should chose on wepon Body and HP Soul.
If u whant to play solo and farm some factions solo (ofc i don't recomad this) then u need to think to boost your dmg.
