The Groundbreaker

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Real Identity: Not Applicable
Appearances (Comics):Zone In, Breaking Out, Light The Way Home, Fight and Space Flight, and The Final Frontier
Powers/Skills: Terraforming
Voiced By: Not Applicable

The Groundbreaker is an invention of Zor-El and Alura-In Ze during the last days of Krypton. It had power equivalent to thousands of Terraforming Robots. It could turn an entire barren planet into a facsimile of Krypton in moments with an adequate power source or battery. Once set in motion, it couldn't be stopped. Kara inquired what would happen if she landed on a inhabited planet. Alura stated they wouldn't use it since it would destroy every living thing and anything touching the ground would be annihilated. They designed Alura's Mnemosyne Crystal to be the key to activate it. They also designed a failsafe into another crystal in case General Zod stole the Groundbreaker. On the day of Krypton's destruction, Zor-El dropped the Groundbreaker. He told Alura to give Kara the crystal anyway then she was launched off the planet. Krypto was then sent away with the failsafe. Zod stole the Groundbreaker from them after the launches.

In the present, Zod planned to use it on Oa but didn't have the key to activate it. He thought Supergirl had it but she didn't know anything about it. Zod concluded Supergirl's Mnemosyne Crystal was the key and decided to test the Groundbreaker on the Green Lantern Central Power Battery then turn Oa into something worthy of Kryptonians. Supergirl and Krypto opposed them. Supergirl found Krypto's crystal and realized her parents anticipated the Groundbreaker might have to be destroyed. Zod inserted Supergirl's crystal and the Groundbreaker activated. Its legs extended into the Central Power Battery. After Green Lantern Jessica Cruz dealt with Zod and Faora, Supergirl switched her crystal for Krypto's. It worked and the Groundbreaker blew up.