The light did not break. It bent.
And the world below learned a strange new peace: not the peace of endings, but the peace of the unblo. The curve that does not close still holds the sky. If you clarify what "arc unblo" means to you, I can write a completely new piece—analytical, narrative, or poetic—that matches your intent.
For now, here is a based on interpreting "Arc Unblo" as a poetic or conceptual title: Arc Unblo —a fragment of a forgotten lexicon