Finally, in April 1642, he joined his forces with Torstenson's Army and took part in the Second Battle of Breitenfeld (also known as the First Battle of Leipzig), where he was seriously wounded. In May he was appointed general in Chief of the Cavalry. In 1643 Stålhandske followed Torstenson in Bohemia. In 1644 he crushed a hostile army corps in the Jutland, but then fell ill and died in Haderslev on 21 April 1644.