Keeper of Eternities

"With their alliance born in darkness and sealed in blood, the Keeper of Eternities gave Dietrich the tools he needed to arise victorious." "—The Death-Linked Bridge"

Keeper of Eternities was the name given to the ruler of Hel.

Dietrich made a pact with the Keeper of Eternities: in echange for the power to destroy his enemies, Dietrich would pledge himself and his people to the underworld forever.

The Keeper of Eternities ordered the Children of Hel to pass into the Grauwelt to aid Dietrich in his struggle to destroy the Great Hund.