In the climax, Naga invades Earth with his army of hybrid Bakugan. To stop him, Drago must evolve multiple times, eventually becoming the . In a final, desperate move, Wavern allows Drago to take the Infinity Core from her to keep it safe.
As the stakes rise, the Brawlers discover that Masquerade is actually a brainwashed , manipulated by her grandfather, Hal-G, who is himself possessed by Naga. The Brawlers must travel between Earth and Vestroia to stop Naga from uniting the two cores and becoming a god-like entity that would destroy both worlds. The Final Battle Bakugan Battle Brawlers (Dub)
The Brawlers meet their partner Bakugan, most notably Dan’s . Together, they fight against the "Masquerade," a mysterious, masked brawler who uses a "Doom Card" to send defeated Bakugan to the Doom Dimension —a graveyard from which they never return. In the climax, Naga invades Earth with his