"When he heard this Osiris knew that the time had come for Horus to declare war on Seth, and bade him gather together a great army and sail up the Nile to attack him in the deserts of the south.
Horus gathered his forces and prepared to begin the war. And Re himself, the shining father of the gods, came to his aid in his own divine boat that sails across the heavens and through the dangers of the underworld."