In 1636, Dodo was promoted to "qinwang" under the title "Prince Yu of the First Rank". He followed Hong Taiji on the campaign against the Joseon dynasty of Korea and defeated the enemy at Mount Nanhan. Two years later, he was demoted two grades to "beile" for bringing prostitutes with him in his army. In 1641, Dodo participated in the Battle of Songjin and led the Qing army in besieging Jinzhou in the first part of the battle. He led an ambush to wipe out the remnants of the enemy at Mount Song in the final battle and joined Hooge's forces in besieging Mount Song and captured the Ming general Hong Chengchou. He was promoted one grade to "junwang" for his achievement.