Unicron Planet Form - In transformers prime, unicron was actually the core of the planet earth and was capable of forming multiple bodies from rock and earth to fight against optimus prime. His planet forms across the multiverse have all looked similar with only slight differences between them.
His planet forms across the multiverse have all looked similar with only slight differences between them. In transformers prime, unicron was actually the core of the planet earth and was capable of forming multiple bodies from rock and earth to fight against optimus prime.