Arrows are in an enemy’s inventory when you kill them.
Shouldn’t be a 100% 1:1 retrieval.
Arrows break or can be damaged when striking something. Especially the type of arrows found in Conan.
So at best, a chance of recovery, per arrow that hits an enemy. Maybe 20-30 percent.
if nothing else then make it to where they can be retrieved and repaired at a reduced resource cost.