This is a guide on the item Rusted Key in Maplestory 2. The following topics are covered
What are rusted keys used for
The primary purpose of the rusted key item is to analyze it. Analyzing it turns it into either a B1 key or a B4 key. These two keys are required to enter the treasure dungeons, Abandoned Mine B1 and B4. Of these, the B4 dungeon is by far the best. In Abandoned Mine
As rusted keys are useful, people will buy them on the black market. This means that you can farm rusted keys in order to make mesos. You can also analyze rusted keys yourself and hope for a B4 key. However, the chance of receiving one is low and it is expensive to analyze a key.
How to get rusted keys
Rusted keys are found in wooden and golden chests. These chests spawn throughout the maple world, but more frequently on certain maps. If you want to farm the rusted key item, try out North Royal Road, Blazing forest, or Mounthill. All of these maps have many chests on them. When you’ve cleared the map, simply change
You can also buy rusted keys directly from the black market if you wish to.
How to analyze rusted keys
To analyze a rusted key, go to the NPC Natalie in Tria. Natalie is located right in the middle between the portal to Middleton and the portal to Beauty Street.
Once you’re there, speak to her and choose “Analyze my Rusted Key, please.” You can then select your key and press