I see. [So he has some reprieve. Syrlya thinks it would be best to cut the connection, but at this point his only idea for that is to kill the entity. And they have bigger concerns.]

The Regent's forces have cleared out of Godsblood, so they likely aren't being held where they were captured. Achamoth does seem most likely... high value prisoners are surely kept somewhere well guarded, I would guess not far from the Regent themselves.