I think that hell essentially is separation from God forever. And that is the worst hell that I can think of. But I think people have a hard time believing God is going to allow people to burn in literal fire forever. I think the fire that is mentioned in the Bible is a burning thirst for God that can never be quenched.
Billy Graham"I'm in a win-win playoff. " Response of a Christian dying of cancer at thirty on the prospect of miraculous healing.
Billy Graham