War for CybertronEdit
Decepticon Chapter 5Edit
Once Omega Supreme opens the Omega Gate, Megatron infuses Dark Energon into Primus
Autobot Chapter 3Edit
Primus informs Optimus Prime that they Autobots must leave Cybertron, as he has to shut down completely so he can purge the Dark Energon from his systems. He then gives a portion of his spark to Optimus, and names it "The Matrix of Leadership"