Boreas is a Rare Blade in Xenoblade Chronicles 2. He can grant tremendous power to his Drivers, Rex, Nia, and their allies. Boreas uses the wind element, wields a Bitball, and acts as a Healer in battle. Boreas is a plump white, purple and charcoal creature, looking both cute and strange. He has a mouth on his stomach, and is able to grow larger arms and detach his head at will.