This article is a stub. Please help improve the article by expanding it. PitfighterKeystone 1% increased Fishing Line Strength When winning is all that matters, you'll use everything at your disposal. Pitfighter is a keystone passive skill. Currently there is no known source for this keystone, but the mod of this passive suggests it is fishing related. Related unique itemsThe following unique items are related to Pitfighter: ItemBase Item StatsVersion historyVersion Changes 3.10.0 Introduced to the game.