"Marshal Soult" performed numerous bombardment operations against German positions in Flanders, including during the First Ostend Raid in April 1918. In October 1918, she became a tender to the gunnery school HMS "Excellent" at Portsmouth and in March 1919 undertook a similar role at Devonport before paying off in March 1921. Recommissioned in 1924, she moved to Chatham in April 1926 as a training ship.