Zepar

Demon God (魔神) is one of the 72 Demons of the Goetia.

Background
Zepar was one of the nine pillars that administrate the Blast Furnace. After the defeat of Goetia, it was one of the four Demon Gods that escaped from the Time Temple.

Salomon: The Grand Time Temple
Following the initial defeat of the Blast Furnace pillars under Naberius, Zepar voices complaints towards Control for them being pressured by the Heroic Spirits, blaming a flaw or mistake in the design of their plan.