Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
As a Supreme Kai, he is severely limited in terms of combat strength, explaining why he wanted Goku's Saiyan abilities, so that he may carry out his plan himself.
Source: https://www.cbr.com/dragon-ball-super-goku-black-explained/
It’s also worth mentioning that the Supreme Kai possesses telepathy, and would have been able to read Goku’s mind.
Source: https://www.cbr.com/dragon-ball-z-goku-supreme-kai-standoff-majin-vegeta/