Kaze Kaze , known as Yamikawa in the Japanese version , is a character in " Yu - Gi - Oh ! ZEXAL " . He is a reformed student of Roku ' s Duel Sanctuary , as well as one of the Number holder s . Etymology . " Yamikawa " means " river of darkness " , and he was said to possess some darkness in his Duels , and had a " Number " card , which amplify the darkness in their owner ' s hearts . His dub name , " Kaze " , means wind in Japanese , a possible reference to his ace monster , " Blade Armor Ninja " , which is WIND Attribute . Biography . History . Kaze was a student at Roku ' s Duel Sanctuary , but after Dueling him and losing his faith , he grabbed a sword and slashed a statue of " Blade Armor Ninja " , cutting it in half . Afterwards , he left the Duel Sanctuary and hadn ' t been seen since . Yu - Gi - Oh ! ZEXAL . After Yuma Tsukumo and his friends went to the Duel Sanctuary to help Roku out , Kaze showed up again and challenged his former master to a Duel , which he easily won . He then ran inside and went to take the Legendary Deck , but was stopped by Yuma , who challenged him to a Duel . As the Duel progressed , both continued to overthrow each others ' strategies and it was revealed that all of Kaze ' s hatred caused him to become possessed by a " Number " card , " " . Kaze ultimately lost when Yuma Summoned " " and defeated his " Number " . He then went to slash the statue again , but was stopped by Yuma who convinced him that it was wrong , to which he apologized and began to study at the Duel Sanctuary again . Yu - Gi - Oh ! ZEXAL II . Barian Invasion . When Haru Tsukumo sent Yuma back to the Duel Sanctuary , Kaze answered the door and explained to him that Roku was away right now . In the Statue room , Kaze talked to Yuma about his frustrations and empathized with him by mentioning his own frustrations in the past . He told Yuma that he had been studying with Roku , and gave him two cards that Roku had left there for Yuma - " Overlay Chain " and " Overlay Barrage " . Legendary Number War . When Kiraku Souhachi ' s statue was discovered , Kaze appeared on TV with Roku , presenting the artifacts that were also found . Barian Emperor Onslaught . After the Barian s began to invade Earth , Kaze and Roku became aware of the crisis in Heartland and went to aid Yuma . When Yuma was rendered unable to Duel , they appeared and attacked the Emperors with smoke bombs , allowing Yuma to escape . When Girag attempted to give chase , they blocked his path and challenged him to a Duel . Kaze commented that Girag was no match against him and Roku combined , but Girag commenced a Chaos Draw alongside the other Emperors as he looked on in shock . This let him use " Rank - Up - Magic - The Seventh One " to bring out " " . Kaze claimed that even if their bodies perished , the " blades of their hearts " would not be shattered . Girag defeated them both , with Kaze saying that he regretted nothing as their souls departed for the Barian World . After Nash was defeated by Yuma , Kaze was revived as the fusion of Earth and the Barian World was stopped and the Barian Pipe released all the souls it contained . Kaze reappeared at the same spot where he and Roku were defeated by Girag and smiled towards the sky , knowing that Yuma saved them . Deck . Kaze uses an " Armor Ninja " Deck , capable of quick Xyz Summon ing . His ace monster is " Blade Armor Ninja " . While possessed , he used " " after " Blade " was destroyed , which was later absorbed by Astral . His cards are supported by a wide array of " Ninjitsu Art " cards .