 On 10 August, she became the flagship of Rear-Admiral Arthur Christian, commander of the Southern Force, formed to command all of the forces defending the eastern end of the Channel.During the Battle of Heligoland Bight on 28 August, the ship was in reserve off the Dutch coast, and saw no action.On 20 September 1914, "Euryalus" and her sisters , and were on patrol in the Broad Fourteen.