If you loved Troll, try Fullmetal Alchemist: The Revenge of Scar
A bridge between a film you've already seen and one most people haven't. Fullmetal Alchemist: The Revenge of Scar has roughly 8.2× fewer votes than Troll — 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
Theysit in Action / Adventure / Fantasy territory. If that's the register that drew you to Troll, the second film will land in a comparable space — through a different lens.
What Fullmetal Alchemist: The Revenge of Scar is
You hunt for answers in a world of alchemy, but a lone killer with a scarred forehead threatens everything. The Elric brothers face their darkest foe. Fumihiko Sori directs this fantasy action tale.

