Muhammad al-Nasir died unlamented on Christmas Day the following year. And he was wrong: “The Christian victory at Las Navas marked the end of Muslim ascendancy in Spain and helped to undermine the Almohad empire, which now entered a period of rapid decline,” explains one Reconquista authority. “The balance of power was now tipped decisively in favor of the Christians, thus making possible the subjugation of the greater part of al-Andalus in the next forty years.”
