The red thread. The very one that Alfred described to him, after he was pulled back from the brink of death. After he pulled himself back. The red thread that connects them across lifetimes. It's all true, then. The birthmark, the braid, and now the dream prove that.

Herbert steps back from the dream and nestles against Alfred's chest, finally able to close his eyes and rest easy, knowing that Solin had found him again.