Twiggy Shei is a white phantom in Dark Souls II: Crown of the Ivory King.
She is available for summoning in the fight with the Burnt Ivory King. Her summoning sign can be found in the Grand Cathedral, before the stairs.
She primarily uses Dragonslayer Greatbow and prefers to fight at long range but for close range she uses Estoc. She wears the Old Bell Helm, Hard Leather Armor, Lion Mage Cuffs, and Alva Leggings.