Concelhaut's Skull

 is a pet in, added in expansion.

Background
The skull is the Engwithan phylactery that Llengrath and the Torn Bannermen were after during their siege on Crägholdt. Though they expected something like a book or artifact, when meeting with Concelhaut he explains that this is not the case:

"A phylactery is no mere 'artifact.' It's the repository of a soul and a work of sophisticated magic.

A phylactery isn't some bauble I wear around my neck or hide in a chest. It's a complex layer of spellwork carved into my skull with runes and sealed with a peg of adra."

He also briefly details its power: "The power to warp and wind time. Like a skein of wool wrapped about your finger. To strangle its flow to a mere trickle. Perhaps to reverse it altogether."