Deag Nilox

"'My soul remains guarded, you can't....' - Deag Nilox last words before meeting his demise"

Deag Nilox is a character in Doom Eternal and one of three Hell Priests.

He once served as a holy Sentinel Priest in Argent D'Nur and had been the first to discover and manipulate the gateways to Hell. However, he became corrupted by Hell's influence and the taste of Argent Energy and now follows the orders of the Khan Maykr.

Doom Eternal
In his quest for vengeance against Hell and its denizens, the Doom Slayer located Deag Nilox's fortress on Earth. Storming it, he made his way to Nilox's inner sanctum and slew him with the help a holy medallion. Nilox's severed head is later procured as a trophy and placed in the Fortress of Doom.