In the 21st year of Hongwu, the Ming army won a complete victory in the Battle of Yuerhai, and it was declared that the Northern Yuan Dynasty was dead in name only. This year, Lan Yu drank from Ma Hanhai and reached the highest peak of his life, rivaling Wei Huo.
In the twenty-sixth year of Hongwu's reign, Lan Yu was arrested and imprisoned by Zhu Yuanzhang for treason. She was stripped of her skin, her family ransacked, three tribes were exterminated, and about 15,000 people including the princes, princes, and civil and military officials were implicated.
If he was given another chance, would he defect to Zhu Yuanzhang again with his brother-in-law Chang Yuchun on that night in Hezhou?