They rode like men invested with a purpose whose origins...

They rode like men invested with a purpose whose origins were antecedent to them, like blood legatees of an order both imperative and remote. For although each man among them was discrete unto himself, conjoined they made a thing that had not been before and in that communal soul were wastes hardly reckonable more than those whited regions on old maps where monsters do live and where there is nothing other of the known world save conjectural winds.