The enigmatic head of the Tech-Priests supporting the 10th Host. When he appears in "person" he does so completely enclosed within a hovering adamantium sphere engraved with dread runes. The sphere is said to be powered by the souls of  Viniz' enemies.

Viniz has made his bid for power; breaking with his distant masters on the other side of the Finial sector and casting his lot with Castor.