It's the Elven thrust, that really drives you insa-a-a-a-ane.

Arcane: Lava
Base Rarity: Ultra-Rare
Troop Type: Elf
Troop Role: Warrior
Troop Id: K30_04 / 6415
Max skills: 18    22    18    5
Kingdom: Shentang
Kingdom Id: 3030
Trait #1: Armored
Reduce damage from Skulls by 25%.
Trait #2: Transcend
Exchange 2 Life for 2 Magic on 4 or 5 Gem matches.
Trait #3: Sky Ancestry
Immune to Mana Drain, Silence, Faerie Fire, and Mana Burn.
Spell: Aerial Drive
Description: Destroy a column. Deal [Magic + 2] true damage to the weakest enemy, boosted by Red Gems destroyed. [2x]
Mana Color: Red, Brown
Mana Cost: 12
Spell Id: 7573