It is said that Adud al-Dawlah visited him at times...

It is said that Adud al-Dawlah visited him at times, and used to say: 'Plead, and thou shalt be granted.'" Baghdad was the capital city of Islamic Empire teeming with learned ulama of diverse denominations. Quite often, sessions of religious polemics were held in presence of the kings, and all the men of influence. Sheikh Mufid invariably attended these debates, and ably argued to defend the Shia faith. The effect of his formidable arguments was such that his adversaries prayed for his death!