Prerequisite: Gearwright Artificer subclass
Your skill with tools extends to the battlefield, letting you sabotage enemy gear — but your craft still obeys the laws of material reality. You need the right parts in the right moment to make it work.
Combat Tinkering Counter
During combat, keep a Tinkering Counter. You gain 1 Tinkering Point each time you do one of the following to a hostile creature:
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Hit them with a melee weapon attack using an artisan’s tool or a Gearwright weapon (such as the Modular Wrench).
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Succeed on an ability check using Sleight of Hand, Arcana, or Thieves’ Tools against them.
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Deal damage to them with a spell of 1st level or higher that targets only that creature.
You can only gain 1 Tinkering Point per creature per turn.
Sabotage Threshold
When you reach 3 Tinkering Points against a single target in the same combat, you can spend your bonus action and the required materials to sabotage their gear.
Material Requirement:
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You must have small, suitable components for the type of item you’re affecting — e.g., spare screws, bits of metal, leather straps, broken glass, springs, gears, or magically treated dust.
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Carrying these components requires at least 1 slot of inventory space and can be tracked as a “Tinkering Kit” (weight ~3 lbs).
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If you run out of materials, you cannot perform sabotage or in-combat modifications until you restock (cost ~10 gp per kit).
Sabotage Effects
Choose one when sabotaging:
1. Weapon Jam: Target makes a Dexterity saving throw (DC = 8 + your Proficiency + your Intelligence modifier). On a fail, weapon deals half damage until the start of your next turn.
2. Armor Breach: Target makes a Strength saving throw. On a fail, AC is reduced by 2 until the start of your next turn.
3. Gear Snag: Disable one piece of adventuring gear, magical focus, or worn tool, forcing target to spend an action to fix or retrieve it.
Upgraded Sabotage (Level 11+)
When you sabotage, you may also deal 1d8 lightning or fire damage from the sudden overloading, scorching, or sparking of your interference.
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