Horizon Forbidden West Complete Edition · Hunter skill
Ammo Expert
Ammo Expert allows more ammunition to be crafted from the same quantity of resources; IGN says the skill can be upgraded twice.
How it works
The skill’s stated function is to craft more ammunition from the same amount of resources. IGN says it can be upgraded twice and that the second upgrade provides a moderate increase in the amount craftable in each set. Neither source gives exact amounts or resource quantities.
Read the supporting references
List of Skills and Skill Trees | Horizon Forbidden West (HFW)｜Game8 Tips and Tricks - Horizon Forbidden West Guide - IGN
Check the edition and source version for patch-specific details. Guide methodology.