Critical Role (2015)

S1E44 The Sunken Tomb

To combat the Chroma Conclave, Vox Machina embarks on a quest to retrieve the Vestiges of the Divergence, powerful relics like ancient armor and weapons. Their search leads them to the Deathwalker's Ward, one such Vestige, which is buried with a long-lost Champion of the Raven Queen... deep beneath the surface of a lake.