Let me try Vigenère with key? Without key, it's guesswork.
When the pane steamed with the child’s breath, he understood the simplest liturgy: keep watch. Keep watch so tiny lights survive the long hours. Keep watch so laughter might one day return to the shutters. In that resolve his armor shed the years; it became a softer thing, a shield for small combustions of hope. danlwd paladyn wy py an wyndwz
Given the lack of time, I'll assume it's : Let me try Vigenère with key