However , despite the power of the Mystic Mode , it was ineffective against Megahorn before Daggeron found out his weak spot .
He first used it in battle with Imperious , and used it to defeat him .
Despite the power of the Mystic Mode , it was ineffective against Megahorn before Daggeron found out his weak spot .
He first used it in battle with Imperious , and used it to defeat him .