Bone Naga
He likes a good ribbing, particularly if it's humerus.

Arcane: Skull
Base Rarity: Ultra-Rare
Troop Type: Undead, Naga
Troop Role: Mage
Troop Id: K05_11 / 6350
Max skills: 18    18    22    12
Kingdom: Mist of Scales
Kingdom Id: 3016
Trait #1: Undying
Immune to Poison, Disease, and Death Mark.
Trait #2: Venomous
Poison enemies when doing Skull damage.
Trait #3: Infernal Armor
Reflect 25% of Skull damage.
Spell: Rattle Bones
Description: Deal [Magic + 6] scatter damage, boosted by Poisoned and Death Marked Enemies. [7x]
Mana Color: Purple, Brown
Mana Cost: 11
Spell Id: 7502