The papacy was so bad in tenth-century Rome that it became known as the Pornocracy. How could the church survive?
Oddly--providentially--the church did quite well in spite of its corrupt leaders.
Roman misrule didn't have all that much effect on the rest of Europe: everyone was too busy repelling Norsemen and Magyars.
A monastery was founded at Cluny, in France, that would spearhead major reforms throughout Europe.
Missionaries were active. Poland, Russia, the Slavic nations, and Hungary became Christian.
The medieval renaissance was about to begin . . .