
Mysterious Key
Quest ItemUncommon
Mysterious Key is a Quest Item in Roco Kingdom. A mysterious key with an unknown function.
Capable of lifting restrictions on Mech-class Jinies.
Rewards
Quests, Jini Codex research and packs also give Mysterious Key.
| Quest or reward | Amount |
|---|---|
| Quest: Defeat the Guild Merchant | ×1 |
Other ways
How the game itself says to get Mysterious Key.
By defeating the Guild Merchant


