He was often exposed to falling on the battlefield and to sword wounds. It appears he possessed military experience, evident in his insistence on his soldiers adhering to certain war rules, such as occupying high ground and forcing the enemy to ascend to them without them descending to the low ground. He ordered them to use high towers for observation. To be more impregnable geographically and demographically than the Almoravid army, he moved after three years of his stay in Igil to the impregnable mountain city of Tinmel, which Ibn al-Khatib described as follows regarding its impregnability: "No city is known to be more fortified than Tinmel. The horseman can only enter it from its east, which is the road to it from Marrakesh, by a path where the widest part allows a horseman to walk alone. The narrowest part requires him to dismount his horse for fear of falling. The road is carved into the mountain itself, with ledges above and below the rider, and in it are places made of wood. If a piece of wood is removed from them, no one can pass." Alongside this spatial fortification, the city is located in a densely populated area, creating a suitable environment for the call. Its people had responded to what Ibn Tumart called them, declared their obedience, and "sent their messengers to Imam al-Mahdi, may God have mercy on him, informing him of the obedience of the mountain tribes, and that his presence and dwelling among them would be more suitable for him and closer to what people hear about him." So, may God have mercy on him, he traveled to them with all who obeyed him and settled in Tinmel. Its people honored him, housed him in the city, hosted him, obeyed him, and pledged allegiance to him. He saw their numbers, the impregnability of their location, and the beauty of their land, which pleased him. When the Mahdi was strengthened by this new position and his ranks were reinforced by his people, along with the experience and boldness his companions gained in those locations where they fought the Almoravid governors, he signaled...