After their father was defeated in 1409,
Sabr ad-Din III and his brothers fled in Yemen to the
Rasulid court at
Ta‘izz where they were received by the Sultan al-Malik al-Nāṣir. It is probable that they joined their uncle there. In 1412, Sabr ad-Din and his brothers came back to the Horn of Africa and landed in
Siyara where they were joined by a number of their father's former followers to claim their once lost Kingdom, what followed was a series of hostilities and battles between the Christian Kingdom of Ethiopia and the emerging
Adal Empire, he first beat the Ethiopians at the
Battle of Zikr Amhara and then proceeded to the district of Serjan. == Battle ==