If you loved Ultraviolet, try Belly of the Beast
A bridge between a film you've already seen and one most people haven't. Belly of the Beast has roughly 9.0× fewer votes than Ultraviolet — 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, unhinged mood tags, and they sit in Action / Thriller territory. If that's the register that drew you to Ultraviolet, the second film will land in a comparable space — through a different lens.
rawunhinged
What Belly of the Beast is
Desert landscape at dusk with a helicopter blade spinning, a worn leather holster, Mongkol's fortress. Jake and Sunti face off against Jantapan's henchmen. Tony Ching Siu-Tung directs this martial arts thriller.

