Board Thread:Questions and Answers/@comment-24104118-20141005223457/@comment-28414362-20150827153251

Not easy to say, because Omnipotent being is in Omniverse of that fiction, that means every possibility in that fiction...

Leaving fiction would mean entering real world, or (which is possible only by two cooperating authors or "taking-over" of that character by different author) enter other fiction...

I think something similair happens in crossovers, but they aren't canon usually...