I read a lot of books,[1] and Genghis Khan and the Making of the Modern World[2] by Jack Weatherford[3], is one of the very few books that I could claim to be brilliant. Genghis Khan was way ahead of his time. My biggest surprise learning about his story was about his meritocratic leadership.
He promoted individuals based on their abilities rather than their noble birth. This improved the efficiency of his military forces and fostered deep loyalty among his generals and soldiers. Under Genghis Khan’s direction, the Mongol army became a highly disciplined and fearsome force capable of overcoming any challenge.
Another surprise of that time was that he promoted religious tolerance within his empire, allowing people of different faiths—Muslim, Christian, Buddhist, or shamanist—to practice their religion freely. This was a pragmatic approach, as it helped to prevent rebellion and fostered loyalty among the diverse peoples under his rule. Under his leadership, the Mongol Empire became a cosmopolitan and multi-ethnic empire connected by trade routes and shared economic interests.
1. https://brajeshwar.com/#books
2. https://en.wikipedia.org/wiki/Genghis_Khan_and_the_Making_of...
For a non-monotheist, like Genghis Khan, religious tolerance would not be something "special" you have to grant.
It is the monotheists that has problems with other religions.