|What Could It Open?|
How to Obtain
The first Rat Key is given by the Resourceful Rat for free, however.
- Allows the player to unlock an imprisoned NPC later in the run.
- The Rat Key is highly similar in appearance and theme to the Gnawed Key, though it has a different name and quote.
- The Rat Key also has an alternate pickup quote that reads "Freedom not free, apparently.".
- Like all Quest Items, the Rat Key has an ammonomicon quote but no description.