New Assassins Creed Revelations info

If you saw the trailer for Assassins Creed Revelations yesterday at the Ubisoft Press Conference you probably saw the weird ending with the island shot.Well in a new Assassins Creed Revelations trailer shows Desmond walk into what appears to be a Monolith from 2001 a space Odyssey. When he walks into it the Monolith t Revelations thing he sees a bunch of writing on the walls and when he tries to leave a, an invisible wall blocks him from leaving.