Gebeyehu was killed in action in the Battle of Adwa. He played a crucial role in the winning of the battle of Adwa. During the battle, he was the front cavalry assault leader for the king's army. While leading the assault He witnessed a large number of Italian military preparing an ambush and slaughter for the large Ethiopian army headed by emperor Minilik II. He realized unless he acted to the ambush in time the large army would be easily destroyed by the ambush. Then he drives his cavalry army direct into the fully fortified Italian army and began the attack and gave the king's army to escape the ambush and arrive at the battle filed. He was killed at this battle fighting fearlessly.