Comments of chapter undefined of The Loli Black Emperor has an Dimensional Chat Group

This is a super simplified explanation, but essentially, she can bend and distort all manner of rules and laws, including scientific laws such as the law of physics. She can also set new laws that others must follow. This explanation does not do it justice, and if you want to know more, I suggest reading the novel, "Lord of the Mysteries", and if you really don't intend to read it then you can find a more in-depth description on the fandom/wiki for the novel.