The Loom is an ancient technology designed by Zoltun Kulle and Ayuzhan to shape the elements and build tools to serve humanity. This is in the same room as Malphas who you battle at the end of the Season 3 Questline.
The Loom can be found beneath the sands of Kehjistan. The Loom is an ancient technology designed by Zoltun Kulle and Ayuzhan of Caldeum. It appears in Season 3: Season of Construct. This is the same room as you fight the evil demon Malphas in.