What happens to Diablo and Angelo in Bakugan New Vestroia?

In "Bakugan: New Vestroia," Diablo is a powerful Bakugan that is initially under the control of the antagonist, the Evil Bakugan. Angelo, a character associated with the Bakugan, seeks to free Diablo from this control. Throughout the series, they face various challenges and battles, ultimately leading to Diablo's redemption and alliance with the protagonists. This transformation highlights themes of friendship and overcoming darkness.