After Baekje exhausted themselves with a series of costly assaults on Goguryeo fortifications, Silla troops, arriving on the pretense of offering assistance, attacked and took possession of the entire Han River valley in 553.
Efter, at Baekje havde udpint sig selv med en række angreb på Goguryeos befæstninger, ankom Sillas tropper under påskud af at tilbyde assistance, angreb og tog af hele Han-floddalen i besiddelse i 553.