If you loved Kingdom III: The Flame of Destiny, try Kingdom: Return of the Great General
A bridge between a film you've already seen and one most people haven't. Here's what they share, and what the second one does that the first one doesn't.
You already loved

Kingdom III: The Flame of Destiny
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Kingdom: Return of the Great General
What they share
Both films are directed by Shinsuke Sato, and they both carry the epic mood tag, and they sit in Action / Adventure territory. If that's the register that drew you to Kingdom III: The Flame of Destiny, the second film will land in a comparable space — through a different lens.
epic
What Kingdom: Return of the Great General is
You command a frontier outpost during the Battle of Mayang. Then a Zhao scouting party crosses the river under a blood moon. Shinsuke Sato frames the night as a tactical war game where every arrow counts.