how would heat death at the end of the universe work if energy cant be destroyed or created?

Question

I learned about the energy only changes form recently and was wondering how heat death in the end of the universe would work because “all energy is lost from the universe”

In: Physics

Answer 1

My theory is that all the entropy is focused at the centre of a supermassive black hole, entropy is either achieved or as little as a single atom does not fit in the system causing another Big Bang.