Chaos Energy Cannon

The Chaos Energy Cannon is a giant laser cannon designed by Dr. Eggman for the purpose of awakening Dark Gaia.

History
When Dr. Eggman learned learned of Dark Gaia existence, he was amazed by it's power and sought to control it. So he created the Chaos Energy Cannon to awaken Dark Gaia, but he could only operate the 7 Chaos Emeralds. Once he added them the weapon would reverse their polarity to create a dark energy to force Dark Gaia to rise.