The winning force was avenging the "Disaster of Alarcos," which necessitated this campaign.
The victors in this battle were accompanied by Arnold Amalric, the archbishop of Narbonne, who wrote several letters describing the victory. Another account claims that the tent of the losing army was surrounded by a human wall of ten thousand slaves and a bunch of iron chains which were cut. The victors used an obscure mountain pass marked by the skull of a cow, shown to them by a local shepherd, who escorted the vanguard under Diego Lopez de Haro through the pass. The winning force was avenging the "Disaster of Alarcos," which necessitated this campaign. They decimated the army under Miramamolin through a combined effort of Sancho VII, Pedro II, and Alfonso VIII of Castile. For 10 points, name this battle which crippled the Almohad Empire and marked a victory in 1212 AD for the Spanish Reconquista.
The victors in this battle were accompanied by Arnold Amalric, the archbishop of Narbonne, who wrote several letters describing the victory.
Battle of Las Navas de Tolosa