- Talk to Unlucky Rat. He muses about how to oil the machine, but does not ask you for anything specific.
- Obtain a Slime Oil from one of the mobs in the Slime family that drop it, or purchase it from the Auction House.
- Trade the Slime Oil to Unlucky Rat to complete the quest.
- One of the factory's machines needs oiling, but Unlucky Rat is out of machine oil. Help him out by bringing him something that can be used as a substitute.
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