It's Primal Groudon, the original form of Groudon in the ancient time-when there was abundant nature energy on Earth. Groudon can undergo Primal Reversion and become Primal Groudon if it holds the Red Orb. In its Primal Form, its true power is restored, making it more powerful and huge. However, this make its fight with Kyogre more disastrous.
