Cap fire res and avoid them all together. They have a chance to cast fireball on death that moves slow but deals high damage. If you're using the axe tree, wolf stance and t-slam are very helpful. Just stun the screen and run like hell. Put up a portal every so often and use blink from
Pax Mystica
Pax Mystica
Staves
'Tir'
Runeword Level: 10
+1 to All Skills
+7% to Spell Damage
+(2 to 5) to Blink
Elemental Resists +(11 to 15)%
(11 to 13)% Magic Find
to teleport over obstacles, rather than run around them.