King Avelorn
They're taking the hobbits to Isengard.

Arcane: Swamp
Base Rarity: Legendary
Troop Type: Elf
Troop Role: Mage
Troop Id: K06_16 / 6685
Max skills: 20    24    18    6
Kingdom: Forest of Thorns
Kingdom Id: 3015
Trait #1: Nature Spirit
Gain 1 Magic for each Green ally.
Trait #2: Wood Ancestry
Immune to Mana Drain, Silence, Faerie Fire, and Entangle.
Trait #3: Elven Kin
All Elves start battle with 50% Mana.
Spell: Woodland Ruler
Description: Deal [Magic + 1] damage to all Enemies, boosted by Elf, Elemental, and Beast Allies. Summon a Forest of Thorns troop. [3x]
Mana Color: Blue, Green
Mana Cost: 16
Spell Id: 8031