Ancient Golem
He doesn't look a day over 9000.

Arcane: Plains
Base Rarity: Ultra-Rare
Troop Type: Mystic, Construct
Troop Role: Warrior
Troop Id: K20_09 / 6398
Max skills: 12    22    26    7
Kingdom: Drifting Sands
Kingdom Id: 3024
Trait #1: Construct Bond
Allied Constructs gain 2 Life.
Trait #2: Rocky Death
Summon a Duststorm when an enemy dies.
Trait #3: Impervious
Immune to all Status Effects, Devour, and Mana Burn.
Spell: Sapphire Beam
Description: Explode a Gem. Dispel a random enemy and deal [Magic + 4] true damage to them, boosted by Blue Gems destroyed. [4x]
Mana Color: Yellow, Purple
Mana Cost: 12
Spell Id: 7553