 The flat terrain of the plain of Aguere benefited the Castilians, and Bencomo's troops began to waver, suffering from a disorderly retreat, especially when the Guanche allies of the Castilians under Fernando de Guanarteme, arriving from Santa Cruz, began to arrive on the field of battle.The Castilian cavalry wreaked terrible losses on the Guanche forces.Miguel de Unamuno compared Fernández de Lugo's cavalry charge with the military actions of Hernán Cortés in Mexico