There are 9 weapon classes required for this Horizon Forbidden West trophy. Vendors in settlements often have a selection of weapons. Wait until after the story when you are cleaning up the remaining trophies. If you are missing any weapon classes, go ahead and purchase them
The weapon classes include:- Blastsling
- Boltblaster
- Hunter Bow
- Ropecaster
- Sharpshot Bow
- Shredder Gauntlet
- Spike Thrower
- Tripcaster
- Warrior Bow