Assassin's Creep is combine with Ezio and a half of a Creeper.

This happen when Ezio was wounded and use a Teleportor to go to the hospital but then a creeper was inside the machine, they teleport together, but to transport from the teleportor to another place it has to destroy him then re-create him at the new location. This mean if they teleport together they will combine. Now Ezio and the creeper has to fight each other in their mine to see who take over the body.