Mt. Sadoy-Lam, near the today's village Selmentauzen. Battle of Sadoy-Lam Before the battle, the pro-Mongol administrators of Durdzuketi, most importantly, Botur, Ors Ela and Navraz, gathered their forces on the mountain Sadoy-Lam in 1252. Combined with a Mongol detachment, this army counted around 13,000 men. During the battle that ensued, Khour's forces failed to capture the mountain and suffered a devastating defeat, which put a final end to the organized Durdzuk resistance. The insurgency of Khour in the mountains lasted for around 12 years and ended with the betrayal and assassination of him by Georgian princes not long after the battle. Aftermath of the third invasion and the insurgency He was succeeded a year later by his 13 year old son, Chakh, who continued the work of his father, that being, resisting the Mongols. With the lowlands being occupied by pro-Mongol administrators, the Durdzuks were forced to adapt to their new situation, such as terracing plots of land and covering them in soil. Great exodus of the Nakh After the death of Khour, the Durdzuks migrated the issolated themselves in the mountains, making it impossible for the Mongol Empire to rule over them, thus, the Mongols fortified the entrances to mountain gorges, to prevent the mountaineers from descending and raiding mongol posts. According to G. Rubruquis, a western traveller, 1/5th of the Khans army (40,000), were stationed in the North Caucasus to deal with the mountaineers, 10,000 of whom were stationed in "The land of the Asos", although, depending on the severety of the resistance, troops from neighboring regions were brought in to keep it under control. Several tens of thousands of Alans and Durdzuks left the North Caucasus for Europe and other regions. Struggle for power and land between Durdzuk administrators Following the death of Khour I, the Mongols successfully provoked armed conflicts between the pro-Mongol administrators, such as between Ors Ela and Botur, weakening both in turn. Navraz, who wished for the region Nokhch-Mokhk back, got killed not long after the battle, thus dissolving the Kingdom of Navrazchö after more than 80 years of its establishment. Berke-Hulagu war After collapsing into several hordes, the North Caucasus became part of the Golden Horde, while the South Caucasus became a part of the Ilkhanate. In 1262, a war between the two hordes broke out, which turned the already devastated and destroyed North Caucasus into a battlefield. In summer of 1262,