A new threat lurks deep beneath the sands of Kehjistan, where the Loom, an ancient technology—designed by Zoltun Kulle and Ayuzhan of Caldeum—has been usurped by the forces of evil. The Demon Malphas is responsible for twisting the Loom for his cruel whims. Zoltun’s former companion Ayuzhan leads you through the treacherous Vaults, desperate to stop the formidable Malphas and his deadly constructs from overtaking Sanctuary.