The Western Roman Empire produced countless great thinkers and works of art after Christianization, the latter of which transformed it into the pride of the world second only to Byzantium, saving it from being a backwater pagan shithole.

Who destroyed it?

Pagans.

The Eastern Roman Empire was the pride of the world bar none -- the military, architectural, intellectual, artistic, and cultural capital of the world.

Who destroyed it?

Muslims.

Don't act like you're innocent.