The angel takes time with this question. He's a collector of information. Stories were something that facinated Astaroth. The silence goes on for a long time before he finally looks over to address the God.

"Mythology related to constellations." He pauses and clarifies. "More so, the myths that a culture chooses to immortalize in thier sky. I find the way that defines morality to be fascinating."

It wasn't a specific answer, if pressed perhaps he could choose one, but for now it was the most truthful answer he could give.