Cacophonic Conch

The Cachophonic Conch is a magical shell of unknown origins that is known to have an adverse effect upon the the Zeti species. Dr. Eggman used it against Zavok in order to recruit him and the rest of the Deadly Six to his cause. The sound produced when air was blown through the conch proved debilitating to Zavok, and he was forced to submit to Eggman's demands. (SHCF #1)