Skirk is the mysterious swordswoman who was Tartaglia's master during his time in the Abyss. Skirk is the disciple of Surtalogi and has spent much, if not all, of her time in the Abyss. Soon as known as The Cosmic Calamity beyond the false sky of Tayvet, she said to live in another ancient world, the dark realm, or the darkest corners of the universe.