Requirements: Same as above, must capture some creatures, but this time they have 3 story levels to complete before releasing them:
Daeva from Kilika Island using M Pod.
Raise Daeva's story levels and he evolves into.
Raise Aka Manah's story levels and he will evolve into Aeshma.
Raise Aeshma's story levels and he will evolve into Shahi.
Raise Shahi's story levels and you will be given a mission to find the traitor of the "Demon World".
At this point player should have unlocked Tomb for capture. Player can find him at Djose with an M Pod.
Raise story levels and Tomb will vanish.
Dormen at Mushroom Rock Road; M Pod.
Raise story levels and Dormen will vanish.
Monument at Djose using an M Pod (must have fought Monument at the Farplane first in order to capture).
Raise Monument's story levels and release.
At this point you will see all three Tombs appear and release the traitor of the Demon World: Ultima Weapon!!
Ultima Weapon joins your party.
Raise Ultima Weapon's story levels and release him. Go to tournament and participate in new entry. Upon defeating Omega Weapon, you will be given a choice as to either accepting Ultima Weapon or Omega into your party. Choose Omega.
Raise Omega Weapon's story levels and release him (Demon Cup now becomes Shinra's Strongest Creation Cup).
In Shinra's Strongest Creation Cup, Strongest Shinra will always be faced as the last opponent. Beating it will add Strongest Shinra to your party and then revert the cup back to Demon Cup. To reconvert it to Shinra's Strongest Creation Cup, simply go to Creature History and watch Omega Weapon's ending.