After you lay Ultimate Weapon to rest, Ruby Weapon can be found with its head poking out of the sand somewhere in the desert surrounding the Gold Saucer. (Note: Ruby Weapon does not appear in Disc 2) ...

To wield a crysknife in Dune is to make a statement. Fremen craft the dangerous weapons from the teeth of dead sandworms. And if one draws the sacred weapon, they cannot resheath it until it draws ...