Zenarith

Zenarith (ゼリナス教) is the Goddess of Undeath and Disaster. She also rules the night.

Appearance
From Grimm's description of Zenarith, she seems to be a beautiful young maiden.

History
Grimm described her encounter with "Zenarith" berating her on not to foolishly commit suicide or removing her own immortality.

Trivia

 * Her sister Regina is mentioned in KonoSuba, another series by Natsume Akatsuki.