 However, the Turtles follow them into Dimension X and destroy the main engines of the Technodrome, trapping it and its inhabitants in Dimension X forever and putting an end to Krang's plans.Krang spent the next two years in Dimension X until he was contacted by Dregg, who arranged for him and Shredder to come back to Earth to help him fight the Turtles.Together, they capture their enemies, but they betray Dregg and attempt to drain both him and the Turtles of their life energy.