EastScape Wikibuilt from the game itself

Eagle-eye drops

“A field kit. Use it for 7.5 minutes of: your bow reaches one tile further (tier I), up to your bow reaches one tile further, 12.5 minutes (tier III). Your Fletching sets the tier; Archery 60 to use. One kit at a time; the clock runs only outside.”

How to make it

MaterialsSkillWhereMakesXP
2 × Small vial
6 × Sulky sporecap
10 × Feather
Fletching 70a workbench1195

Can't be traded. Field kits can't be traded or sold on the Exchange: fletch your own.