Infinity Blade III was announced today at Apple’s iPhone event as the conclusion of the trilogy. Featuring eight worlds, each as big as the first installment, Chair promises at least 45 minutes of cutscenes. It will be released alongside iOS 7 on September 18th for $6.99, and be compatible with iPhone 4-iPhone 5S, iPad 2-4, iPod touch 4-5, and iPad mini. Check out the trailer below and let us know what you think!