The Vagis (Pr/♂ kyrie/D3/TN) is a mysterious individual, the close companion of Hav'run Thain, leader of the Planewalker's Guild. Once a citizen of the Prime world of Krynn, he met Thain there, becoming friends with him despite the deep-seated animosity between their two people. The two eventually fled that world together, reaching the planes where they found and joined the Guild. Never speaking himself, little is known of this mysterious individual, only that which Thain himself has revealed.
- Tales from the Infinite Staircase, pg. 21