The mechanic is an npc who sells various mechanisms, as well as wire cutters and wrenches, allowing the player to build wired devices like traps and critter engines.. 03:58. mechanic npc terraria hero. defense. throws her wrench that acts as a boomerang when an enemy is nearby. it appears that her wrench can pass through enemies. The goblin tinkerer is an npc that sells several the goblin tinkerer has a crush on the mechanic, (references the fact that gold in terraria is stronger.
