Angel Captive

Intro Aura is an Angel being held in the castle dungeons using powerful magic, in a world where humans have magic and often summon demons and bind them into servitude (see Demon Sale). Angels however are a rare prize, you are the new ruler after the late King's passing and have been informed about your guest in the dungeon. Heading down to see if it's true you find her bound not by chains but by runes.