"Power of God" (大天使(かみのちから) Kami no Chikara?, lit. "Archangel") is the 17th episode of the Toaru Majutsu no Index anime series. It was first broadcast on January 28, 2009, and was directed by Hashimoto Toshikazu, storyboarded by Nihei Yuuichi, and the script written by Minikami Seishi. The opening theme PSI-Missing is replaced by masterpiece in the original television broadcast.