attack points and Number status if the equipped monster is a Number. Shark eventually obtains "Number 32: Shark Drake" to use as his new ace card. He later gains the ability to evolve "Shark Drake", much like how Yuma can evolve "Utopia", but, rather than through the feeling of love, Shark acquired it through feelings of hate. After this, Shark can summon "Chaos Number 32: Shark Drake Veiss" at will. He then later obtains a new ace "Number 73: Abyss Splash". He is later revealed to be 'Nash, the leader of the Seven Barian Emperors. It is believed Vector had killed Nash, alongside Marin, however they were saved by Abyss who transferred their souls into the bodies of Reginald and Rio causing them to live on as children with amnesia. When they regain their memories they decide to leave Yuma's group and rejoin the Barians. Despite this, he does not wish his former allies ill: he is simply trying to prevent tragedy from occurring to his people. His new ace is "Number 101: Silent Honor ARK". Using "Rank-Up-Magic The Seventh One", he can upgrade his monster into "Chaos Number 101: Silent Honor DARK". He is killed when Don Thousand's curse is dispelled, but he is revived and chooses to live on as Shark. Rio Kastle / / Rio is the younger twin sister of Reginald (Shark). As a part of Vetrix's plan to use Reginald as their assassin against Dr. Faker, he sent his son Quattro to duel her. It was there that Quattro played a card given to him by Vetrix which unknowingly caused the field to go on fire. Quattro was able to take Rio to safety, but she was severely injured. Quattro later lied and told Reginald that he intentionally hurt his sister to keep with the plan, even though he hated the idea that Vetrix was using him to commit atrocious actions. She eventually regains consciousness after Reginald saves her from one of Barian's mind slaves and enrolls in Yuma's school. Rio is initially shown to be a polite girl with charming looks and great athleticism that earn her attention from her classmates (especially Bronk, who develops a crush on her). However, as her brother knows, she is actually quite irritable and stern. Despite all of this, she is afraid of cats. She is later revealed to be Marin, of the Seven Barian Emperors. It is