Can Beerus beat Goku?
But, thanks to an ancient ritual, Goku was able to power up to Super Saiyan God and then, he fought Beerus. Their fight came very close to destroying the entire universe but somehow, they managed to end it with the Earth still intact. Even without showing his true power, Beerus defeated Goku quite easily, in the end.
Is there a God stronger than Beerus?
Belmod might be the most powerful of the Gods of Destruction. In the anime, Whis actually said that Belmod is more powerful than Beerus. In the manga, Belmod took down Sidra and could damage all the other Gods fo Destruction with Imprisonment Balls and Energy Cards.