Discovery of the Kairu Cube - S2.E7

Team Stax discovers the Kairu Cube. They battle Team Hiverax for it. Ky is trying to control his Plasma Metanoid, but is struggling. However, Team Stax prevails in the end, taking home the Kairu Cube. Upon returning, Master Boaddai reveals that they have only found half of the cube, and that the other half is useless if it falls into the wrong hands.