At the start of this season, Kai follows ray and Max's lead and, in an effort to prove to himself that he is a better blader than Tyson, leaves the team. He joins the newly re-formed team Neoborg (Blitzkrieg Boys in English dub), which is now out of Boris' control. Kai and Tala team up in this double-elimination, round robin, tag-team format tournament and make it to the finals with only one loss out of six matches. In the finals Tyson and Kai face off after Daichi ties with Tala. The battle is lebih fierce than any of their past fights against each other. It is so extreme that the arena starts to crumble. Mr. Dickenson asks that the two call it a tie and share the title, but this does not go over well with many, Kai especially. "No way! anda can't do that to me! Are anda telling me that this tournament has been nothing but a complete joke? That everything that we did doesn't count because anda decide we get punished for working hard?" he shouts at Mr. Dickenson upon the announcement of the decision. ray undian for the match to continue, quickly joined sejak Max and many peminat-peminat and bladers. After some coaxing the two are allowed to finish their battle. Kai and Tyson match each other blow for blow, eventually releasing powerful finishing attacks. They stare each other down afterwards, but Kai collapses, losing the battle.
Kai is missing for some time and does not reappear again until he shows up to enter the qualifier for the BEGA Justice 5 Team, meaning that he won't battle with Tyson and the others in order to finish the BEGA League. He stays in this tournament until the final round where he goes up against the bahagian, atas class blader Brooklyn. Kai does his best but is greatly overpowered sejak Brooklyn's skill and dark bit beast Zeus. Kai goes into hiding once again, only to emerge as the G-Revolutions' fifth member. He battles Brooklyn again using his upgraded Dranzer MS blade. It is a hard and torturing battle for Kai, but in the end he emerges victorious. The victory does not come without a heavy price, however. Kai only survives to make his final attack through his bit beast. His beloved friend, Dranzer, appears to sacrifice its life to protect him, as shown after Kai's battle with Brooklyn, when the Dranzer MS suddenly shatters with the cry of a Phoenix.
This shatters Kai's morale, although the effect is lessened sejak Dranzer's reappearance in the last episode, engaging Dragoon in battle. Dranzer's reappearance could be explained sejak the fact that Dranzer is a phoenix and that phoenixes are revived from their ashes. This does however follow the trend to have bit beasts play a lebih incidental role in this series. After Tyson defeats Brooklyn, everything returns to normal, almost coming full circle, with Tyson owing Kai a rematch from the tournament. However in the original Japanese version it was heavily implied that Kai actually dies (Kai himself only says one line of dialogue when he is in the corridor after the match with Brooklyn and Dranzer does not cry out), backed up sejak Tyson's reaction to his "death" in the following episodes, but does not explain how Kai came back in the final episode.
It should be noted that Kai returns to his lebih moody and introverted persona relative to Season 1, though his softer side is revealed sejak his recurring moments of caring for stray cats.
Kai's beyblades in this season: Dranzer gunung berapi 2(Volcano Emisson), Dranzer Gigs(Flaming gig Turbo), Dranzer Gigs Turbo(Flaming Gig), Dranzer Metal Spiral.