Harabal

Yurul’s older brother, the son of the Tsog tribe’s leader. An incredibly powerful and ruthless warrior who fights for the Mongols, he is known as "Melgen (God’s Arrow General)", for his great skill with the bow. A commander of great renown within the Mongols, he is the one that butchers the forces of the fortress occupied by Little Sparrow, and unknowingly starts her rampage.

(Source: TV Tropes)