On the Rain-Slick Precipice of Darkness/Weapons

The main party's weapons can be upgraded throughout the game by bringing machine parts to Anne-Claire, who then applies them to your equipment.

Rake
Used by the player character.
 * Upgrades
 * 42 parts
 * 152 parts

Fists
Used by Gabe.
 * Upgrades
 * 34 parts - Brass knuckles
 * 145 parts - Brass knuckes with spiky bits

Guns
Used by Tycho.
 * Upgrades
 * 50 parts
 * 166 parts

Hoe
Used by the player character. A simple gardening implement.
 * Upgrades
 * 148 parts - Double-ended Hoe
 * 452 parts - Hoe of the Future

Fists
Used by Gabe.
 * Upgrades
 * 106 parts - Machete Fists
 * 251 parts plus Manacles - Iron Maidens

Shotgun
Used by Tycho.
 * Upgrades
 * 196 parts - Double-barrelled Shotgun
 * 311 parts plus Book - The Omnibus