The division held this sector until May 1918, when it participated in the Battle of Skra-di-Legen. The Archipelago Division with its 5th and 6th regiments (Lt. Colonels Efthymios Tsimikalis and Konstantinos Exarchakis respectively), reinforced with the 1st Serres Regiment (Lt. Colonel Georgios Kondylis), took the brunt of the attack on the fortified positions of Skra on 16–18 May 1918, aided on its flanks by attacks from the Crete and Serres divisions.