Dark matter (substance)

Dark matter is a rare and powerful substance often harnessed by extraterrestrials.

Fiction

Revenge of the Fallen

Megatron possessed a self-generating dark matter power core in his new body. Transformers: Revenge of the Fallen: The Movie Universe

Games

Transformers Cybertron: Primus Unleashed

Faced with the growing threat of the black hole, Primus attempted to obliterate the dark matter coming forth before it spread further into the universe. Transformers Cybertron: Primus Unleashed