Choas build need assistance

i droped doom bolt to 1 point and droped sigil completly, mana doing better now but we will see, the seal helps me from hoards so far

so an update, went to bastion of chaos for outcast quest 4 times and got horribly murdered in area with 3 heroes mob before the portal, thought i am lvl 54 and shity gear (using praetorian set atm)

so i hit a wall and not sure what to do. i started ashes dlc and im getting my ass handed to me almost by everything. i might need to run several steps or port to lvl up but not sur. and yes its still veteran