User blog comment:B214/Question and Answers 4/@comment-37.23.239.83-20150325111844/@comment-24910433-20150325161756

It depends mainly because Goku can just use Instant Tranmission and teleport worlds away to powerup. And SSJ God can easily destroy a Solar System. I doubt the Heavenly Dragons could beat him, but I'm sure at least Shiva, Ophis and GR could do it or get really close to it.