The most significant "solid feature" linking this movie to Mongolia involves a specific plot point.
Below is a written as if Mongol Heleer were a real or rumored spin-off/sequel in the The Witch universe. You can adapt it for a fan theory or a creative review. The Witch Part 2 Mongol Heleer
As of today, no official announcement from Next Entertainment World or director Park Hoon-jung confirms Mongol Heleer . It may be a fan-made title or a lost-in-translation rumor. But given the global success of The Witch franchise (and Korea’s growing interest in co-productions with Mongolia), don’t be shocked if we hear real news in the next 2–3 years. The most significant "solid feature" linking this movie
tailored for a Mongolian audience looking for information on where to watch it ("mongol heleer"). The Witch Part 2 Mongol Heleer