Summoning

He does Devil Summoning work on the side.

The sheep without stumbling descended the plank, which was placed as a gangway to the shore; and the goats, accustomed to steep places, skipped yet more boldly along. Upon reaching the land they all formed in a ring around Chloe, like a chorus of dancers, skipping and bleating and exhibiting every symptom of joy; whereas the flocks of other shepherds remained quiet in the holds of the ships, as if aware that the pipe which sounded was not summoning them.

Yanni was summoning a demon.

spirit summonings