Answer:
1. Mercilessness in battle
2. Womanizing
Explanation:
Charlemagne also who is also known as King of the Franks and Charles the Great played a big role when he ruled Western Europe between 768 to 814. He was known for the role he played in uniting Europe. He was a diplomatic leader who united waring cities through proper communication. In the home front, he was a doting father who loved his children.
However, he had certain weaknesses which include the fact that he had a lot of mistresses despite the fact that he was a Christian. He even divorced his first wife. The war he waged with the Saxons from Germany which was bloody portrayed him as a merciless warrior.