I made this edit personally for my older brother a while ago, but I figured I might as well share it here. Shoutout to those who know Omega Leonidas! : r/Persona5
Amazon.com: Bakugan Evo Battle Arena, incluye exclusivo Leonidas Bakugan, 2 cartas y BakuCores, tablero de juego neón para coleccionables Bakugan, a partir de 6 años : Juguetes y Juegos
Leonidas Returns in Bakugan: Champions of Vestroia! | Official Launch Trailer - YouTube