This skip was found by Maximillium.

Double jump and spam Metamorphosis until it lets you through a small invisible wall. (This is possible with Vengeance Infernal Strike too.) Then go around the pillar out of bounds to arrive at the last boss!

Items used:

• Wearing: Lv70 full Mastery crafted Dragonflight gear, 3x Azerite Armor with the Longstrider trait, speed enchants
• Before entering: Fried Bonefish, Charged Phial of Alacrity
• During run: Nitro Boosts