When we`re finished, there will be no good left in the universe!` - Astronema. More devious and powerful enemies of the Power Rangers have arrived with destruction in their wake! Astronema leads a vicious assault on Earth, accompanied by her merciless lieutenant Ecliptor, while Mesogog the dinosaur-human hybrid commands his own deadly majordomo Elsa, as well as Tommy Oliver`s cyborg nemesis Zeltrax. This is an expansion. Power Rangers - Heroes of the Grid is required to play.