Unicron

"I know. So, Zero, what did you find?" Standing amid the starry expanse of the He-El Universe, He-El flashed forward and arrived before the Traversal Vortex leading to the Transformers universe. He-El's Kryptonian body conflicted to some extent with the underlying operational logic of the Transformers universe. Moreover, the universe's foundational logic had not yet been fully analyzed, so this body of his still could not enter.