After Jaune's transcript was revealed by Cardin he was betrayed and disowned by one the once he called friends and family. During that night he started to remember who he truly was. He was the second strongest duelist. Seto Kaiba.
Kaiba turned on his depowerizer which is a huge success, all semblances have been turned into equip spells and traps, also a person's aura have turned to Monster Dragon cards that Kaiba has the only copies of, and seeing their digital. He doesn't have to worry about those cards being released.
Including the support deck and the one card that Kaiba lost. It was Blue-Eyes Shining Dragon.
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Semblances have been annihilated, and aura no longer works, the only people that have "power" are those with skill and even those are meaningless, seeing as how they're just talents, and, seeing as Kaiba destroyed all of the "power" in the world, mankind will seize power with their own hands, not with the help of some "power", much like that Jaune Arc, he got strong by himself, although he got help from Pyrrha.
But at least everyone's on Jaune's old level now.
"I might as well defeat Robyn Hill and her Huntresses. After their defeat I'll reveal their true intentions to the people of Mantle." Kaiba said to himself. Kaiba looks at his deck and extra deck. He begins to put shuffle them and places his best strongest and useful Monster Cards, Trap Cards, and Spell Cards into a new deck.
Kaiba created an old Duel Disk which looks like the one he had in Battle City. He was a bit frustrated with himself because he didn't have the right equipment to make the Duel Disk that he was using. But before facing Robyn Hill... He must get rid of the Grimm infestation.
From what he gather from talking to some of the people who live here. They said that the Grimm usually come in a huge group at the west side of Mantle. Kaiba knows that Atlas was a part of Mantle. And this entire city is the northern continent of Solitas. He takes a HVB Rhino and goes to the west side of Mantle.
Kaiba stopped and gets off from the HVB Rhino and was in front of a giant cave where he can sense a lot of negativity coming from the inside. This can only mean one thing... The Grimm was inside that giant cave. Kaiba walks inside the giant cave and gets ready for the worst.
There is tons of different Grimm inside the cave. Beetle, Apathy, Beowolf, Boarbatusk, Cenitaur, Centinel, Lancer, Mathicore, Megoliath, Nevermore, Sabyr, Sphinx, Teryx, and Ursa.
He summons Kaiser Vorse Raider, Swordstalker, Minotaurus, Cyclops, Rude Kaiser, Kyu-Kishin Powered, Gargoyle Powered, Gadget Soldier, Death Gremlin, Kentauros, Blade Knight, Kaiser Glider, Talwar Daemon, and Mechanical Soldier.
The Grimm noticed Kaiba and the duelist pulls out a Spell Card. The Spell Card gives his Monsters more ATK by 1000. "Go my servants! Show these abominations what true strength looks like!" Kaiba shouts as Kaiba's Monsters obey their Master's command and attack the Grimm.
The Grimm gets overwhelmed by Kaiba's Monsters. The Creature of Darkness couldn't win the fight and Kaiba's Monsters keep going deeper and deeper into the cave. Kaiba summoned a Monster that could produce light so his Monsters could see their targets.
