Okay, I have a question We known that Spoiler Sentinel betrays the Autobots in DOTM. But I am wondering why? In the character profile from wiki said that he was a father figure to Optimus and the one who united Cybertron. Why did he do that? Did he become insane like the Fallen? ADMIN EDIT: Please use the [noparse] Spoiler text [/noparse] tags when posting spoilers. Thanks!