They found him in the Great Purramid.

Arcane: Swamp
Base Rarity: Epic
Troop Type: Undead, Beast
Troop Role: Warlock
Troop Id: K09_18 / 6812
Max skills: 21    25    10    6
Kingdom: Khetar
Kingdom Id: 3020
Trait #1: Cursed Touch
Inflict Curse when dealing Skull damage.
Trait #2: Stealthy
Cannot be targeted by spells (unless there are no other targets).
Trait #3: Undying
Immune to Poison, Disease, and Death Mark.
Spell: Feline Disdain
Description: Curse and Death Mark the strongest Enemy. Then destroy [Magic + 1] Gems of one of their Mana Colors.
Mana Color: Blue, Green
Mana Cost: 12
Spell Id: 8215
Switch Release: Tuesday, Jan 1, 2030