After Krael Vorthan's brutal defeat of Supreme Solaris, Earth is left facing an imminent alien invasion. As Veer struggles to recover and the world loses hope, a mysterious figure known as Mystery Man emerges from the shadows. Deep beneath the city, a secret underground base holds answers that could change the battle's outcome. With time running out, Xion reveals a dangerous last resort—Extreme Mode, a power that could give Solaris a fighting chance at the cost of pushing his abilities beyond their limits.