However, one year later, Muhammad II conquered Firuzkuh and captured Ala al-Din Ali; he shortly marched to Ghazni, where he decisively defeated Yildiz, who fled to Punjab and captured Lahore from Nasir ad-Din Qabacha. Yildiz later fought the Delhi Sultan Iltutmish, and laid claim to the throne of Delhi as the heir to Mu'izz al-Din Muhammad.
One year after conquering Firuzkuh and capturing Ala al-Din Ali, Muhammad II swiftly advanced to Ghazni where he decisively defeated Yildiz. Yildiz retreated to Punjab and captured Lahore from Nasir ad-Din Qabacha. Later, Yildiz fought Iltutmish of Delhi and claimed the throne as Mu'izz al-Din Muhammad's heir.