Militarily, Al-Ashraf Khalil possessed the vigor and capability of two of his predecessors, Baibars and his father Qalawun. But many Emirs disliked him. He started his reign by executing and imprisoning a few prominent Emirs of his father, among them the vice-Sultan Turuntay. During the battle for Acre he arrested Hosam ad-Din Lajin and later after he returned to Cairo he executed Sunqur al-Ashqar and a few Emirs. Khalil continued his father's policy of replacing Turkish Mamluks with Circassians, a policy which contributed in the intensification of the rivalry among the Mamluks. After his victories against the Franks, arrogance got hold of al-Ashraf Khalil, he treated the Emirs roughly and began to sign messages and documents with the letter "KH" only. In addition, his Vizier Ibn al-Salus was envied by many Emirs and by the vice-Sultan Baydara in particular. Ibn al-Salus who, originally, was neither a Mamluk nor an Emir but a merchant from Damascus, became the most influential official during the reign of Khalil. While Al-Ashraf was rough on the Emirs, he was very generous towards Ibn al-Salus who did not treat the Emirs with respect. Ibn al-Salus was involved in the unjustly persecution of the supreme judge of Egypt Ibn Bint al-A'az, as he was involved in provoking the Sultan against Baydara on several occasions.