Black Robe: If the Locomotive Escapes from Despair

No time travel, no system, no halo. In order to cover the retreat of the black-robed team, if the locomotive that leads away the motherland alone escapes, what changes will it bring to the subsequent story? A well-funded version of "Black Robe V". New book, old rules, pure black robe sentimental style, be careful if it is not a cool article, if you don't like it, don't spray it, just leave it, ignore it and make no brainless comments.