From among the enemy forces that could cross the trench was...

From among the enemy forces that could cross the trench was Amr bin Abd Widd who was the famous hero and knight of Quraysh in the pre-Islamic age. The ground shook under the pride, the haughtiness, and the strength of that hero. Fear and silence overcame the Muslims when this hero walked here and there before them disdainfully. He cried out, “O men of Muhammad!

Would anyone of you duel (with me)?” No one of Muslims replied except Imam Ali, who was too young then, saying, “I am to him, O messenger of Allah…” The Prophet (a.s.) was too worried about Imam Ali (a.s.). He said to him, “It is Amr!” Imam Ali (a.s.)