The Animus is a device that allows us to enter and experience the lives of our ancestors. It holds the power to change everything. To show us history the way it really happened. Up until its creation - the victor went the spoils - went the truth. We're trying to fix that. to free minds and bodies both. But there's only so much we can do.
Through the Animus, Desmond discovered his heritage and explored the lives of his ancestors. Another Ancestor provided Desmond with decades of experience in the span of a few days.
The Templars have the upper hand these days. But something larger than the Assassins and the Templars is approaching. Bigger than all of us. And if we can't find a way to stop it - these next few weeks will probably be our last. EVERYONE'S last.