The Witch's Son

Theo has spent three months trying to be ordinary, to suppress the magic, the shadows. But every moving curl in every dark corner is a cruel reminder of what he did. When a distorted figure attacks him in a hospital corridor and a voice that is his, but not his, grows louder in his mind, Theo can no longer ignore it. The darkness is his, and it has a name. Pushing for control, each attempt more consuming than the last.

Author on Reddit: u/haifa55