Replace Stuhn's armor with dungeon set from Blessed Cruicible
Noble Duelist
Set bonus
(2 items) Adds 129 Stamina Recovery
(3 items) Adds 129 Weapon and Spell Damage
(4 items) Adds 129 Weapon and Spell Damage
(5 items) When you deal damage with a Light or Heavy Attack in melee range, you cause your Light and Heavy Attacks to deal an additional 2111 damage for 15 seconds. This effect can occur once every 12 seconds.

Replce Huntings 2 with Zaan (monster set)

Bewitched Sugar Skulls (FOOD)

Spell Power Potions

Rotation

Buff with Channeled Acceleration and Merciless Resolve, then cast:
Elemental Blockade -> Twisting Path -> Bar Swap
Ambush -> Swallow Soul -> Heavy Attack x 3 -> Spectral Bow -> Bar Swap
Try to light attack between each skill cast to build up stacks of Merciless Resolve.