Mogadorian cannons are weapons used by Mogadorians. They are heavy firearms that drain the life from things around it to use in a deadly ray of light. This weapon especially works in places abundant with nature. During the battle of paradise the cannon is said to wrap around the forearm of the Mogadorian that uses it.
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- In I am Number Four and the Power of Six, the energy used by the cannon is describes as "bright white". but later in the series, it is described as different colors, including green and orange.
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