Purvan Suul was a follower of the Raven Queen. After ritualistically giving his name to the Raven Queen when he swore himself to her service, Purvan Suul was simply called "The Champion" by the people. As an NPC, his corpse is played by Matthew Mercer.
Looted by Vox Machina Edit
The Champion was interred with his powerfully enchanted armor, known as the Deathwalker's Ward, which was actually one of the Vestiges of the Divergence. In "The Sunken Tomb" (4x06), Vox Machina found and recovered the Champion's Vestige with the aid of Kashaw Vesh and Zahra Hydris.