The Matrix of Leadership is a creation by the Great Primus (Leader of the Primes). It is the only thing in the universe that can relight a transformers Spark. It is also the key to activate The Harvestor. It was fought for by The Fallen, against his brothers (The Primes). The Fallen was stronger than his brothers so they had no choice but to create a tomb with their own bodies to hide the Matrix.
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