Who said that "the X doesn't mark the spot"?
Here it goes my idea:
An old temple, evil mood, human sacrifice through alchemy and our last minute hero understanding what's happening: the shadows is the key to complete the transmutation circle...
This is my tribute to Indiana Jones movies, Full Metal Alchemist and, of course, CGTalk for its tons of CGI art showing through these years.
This will be an Image entry :)