Dr. Eggman arrived at Tundra's base and was provided a transport to the Death Egg by him. Eggman demonstrated familiarity with this new Egg Boss, a sign that his mind was adjusting to the new reality that had been created by the improperly reversed Super Genesis Wave. During the ensuing Shattered World Crisis, he would engage Sonic the Hedgehog while the hero and his fellow Knothole Freedom Fighters were searching for the Gaia Keys. After being "captured" by his Egg Soldiers, Sonic and Rotor were delivered to Tundra, who revealed himself to his horrified son. Rotor was quick to accuse him of abandoning their home village for Eggman, only for Tundra to inform him what had taken place. Tundra proceeded to accuse Rotor of using his inventions as a shield before having the pair thrown in a cel