 When they finally reach the point at which they can seal the breach, they decide that they should kill the Firstborn rather than try to reseal the breach, as resealing would just result in them being trapped in the Box and endlessly tortured until the breach was opened again.When Jericho passes into the Firstborn's cavern, they find the Firstborn in the middle of an island on a lake, with Leach tied to a wall.During the final battle between Jericho and the Firstborn, Leach breaks free of his bonds.