Fable

Fable is a Korean manhwa series written and illustrated by 203dkfhddl.

Plot
Aym is a slave who is descended from a a powerful witch. Because of this, his blood has the power to attract demons and he is used by his master to summon them.

Just when Aym accepts his cruel fate, the sudden appearance of a group of magicians with the ability to defeat demons might be opening up another path for him.