Evidence to support that claim? If your god exists, is all powerful and hell really exists, it would show you hell in your mind or better yet, physically as a projection, not in words lacking coherence and evidence.
I can say now: "God, show me hell"
Ops, I don't see anything, where is it? Why don't you show me? The idea of hell does not sound convincing.
Religion is the belief in something intangible ... It asks you for faith and obedience without even proving its existence. Religion is the eternal promise of a future that never comes.
The same is with the idea of heaven.
Fear is precisely to keep you alive and thus make sure that you pay your taxes, serve as a slave for others.