User blog comment:Mgdodl/"The Gamblers" Discussion/@comment-1031724-20200201000019

There is a glimmer of hope.

Yes, they said if God dies the world ends. But if Jack becomes powerful enough to kill him he could replace him. It was even foretold before his birth that he would create a paradise and that was why Castiel was so determined he must be born. Maybe it ends with the world becoming a better place, free of (evil) monsters, and Kevin going to heaven, etc.