If you loved Operation Chromite, try The Age of Blood
A bridge between a film you've already seen and one most people haven't. The Age of Blood has roughly 9.7× fewer votes than Operation Chromite — it's a deeper cut, not a mainstream recommendation. Here's what they share, and what the second one does that the first one doesn't.
What they share
Theyboth carry the raw mood tag, and they sit in Action / Drama / History territory. If that's the register that drew you to Operation Chromite, the second film will land in a comparable space — through a different lens.
raw
What The Age of Blood is
You guard the king in ancient Korea, but a demotion sends you to a prison under attack by a master warrior and his henchmen. The director sets this chaos in 18th century Joseon.

