He confronted the problem of raids from the Muslim kingdoms on his eastern border with numerous counterattacks on those kingdoms. According to al-Maqrizi, in 1403 Emperor Dawit pursued the Sultan of Adal, Sa'ad ad-Din II, to Zeila, where he killed Sa'ad ad-Din and sacked the city. However, another contemporary source dates the death of Sa'ad ad-Din to 1415, and gives the credit to Emperor Yeshaq.[4]