Ball-Peen Hammer

A rare Tinkerer set weapon unlocked by completing The Jurassic as the Tinkerer class. It serves a dual purpose: used on enemies it deals 1 damage, but used on an ally it grants +1 use to all of that ally's equipped items — with a 5% chance to break. The support use is the real reason to carry it, effectively refreshing a cat's entire loadout. Synergizes with Rune of Hagalaz, which causes weapons to hit twice and doubles the repair bonus to +2 uses. Part of the Tinkerer set.

The +1 use restoration applies to every equipped item simultaneously — weapon, armor, and trinket alike. This means a cat loaded with high-value limited-use items (like the Sniper Rifle or Revolver) can effectively get additional shots per run. The 5% break chance on the repair action is low enough to rarely trigger in practice, but it adds a small element of risk to each use on an ally.

Core to support-oriented Tinkerer builds that want to extend the uptime of powerful weapons. Pair with cats using weapons with limited charges for maximum value. The Rune of Hagalaz synergy effectively doubles the maintenance output, making the Ball-Peen Hammer one of the most support-efficient weapons for a dedicated Tinkerer loadout.