After Harukata was defeated by Motonathe in the Battle of Itsukushima in the next year 1555 and killed himself, the Ouchi family which lost the pillar declined at a stretch.
翌24年（1555年）の厳島の戦いで晴賢が元就に敗れて自害すると、大黒柱を失った大内家は一気に衰退。