This is a collection of all new enemies and bosses from Season of the Lost so far, including event ones like the Dares of Eternity bosses and Festival stuff.

Above is the Overload Chieftain.

Kruutiks (Astral Alignment)
An Xohol (Shattered Realm)
Kelgorath 2.0
Kelgorath 3.0
Demiks (FotL)
Headless One (FotL)
Valus Ta'aurc 2.0 (Dares of Eternity)
Zydron 2.0 (Dares of Eternity)
Captain Avarokk, the Covetous (Grasp of Avarice)
Grisprax, Bosun of Avarokk (Grasp of Avarice, WQ Update)

UPDATED 1/28/22 - Added Grisprax, Bosun of Avarokk since he uses a unique model.

UPDATE 2/7/22 - Added Vandal chestplate to Grisprax since I didn't notice it before.

UPDATE 2/15/22 - Added Kelgorath 3.0 as he appears in the Exorcism mission.

UPDATE 2/26/22 - Added talons to the Scorn

UPDATE 6/18/22 - Fixed Zydron's back plates, added arm knobs and silver accents, and brightened up the frame.

UPDATE 6/19/22 - Changed Overload Chieftain shading

UPDATE 7/12/22 - Fixed Zydron's inner ear plates

UPDATE 8/3/22 - Fixed eye colors for Zydron

UPDATE 9/15/22 - Added post-WQ Grisprax because they changed their colors for some reason

UPDATE 10/18/22 - Fixed Valus Ta'aurc's elbow colors.

UPDATE 9/5/23 - Edited Kelgorath 2.0 and An Xohol's gauntlets. Fixed Kelgorath 2.0's colors