Rusted Iron Key
Rusted Iron Key (Clé en fer rouillé in French) is a rare-quality item from the “Materials” category, obtainable in 3 ways.
Updated version 1.0 Sources: Game tables and texts (client 1.0, extracted 17 September 2026) Report an error
In-game use
A simple key that opens locked rooms in beginner Sanctums.
How to get it
- Operation: Egg Heist Available from Operation: Egg Heist
- Operation: Egg Heist Shop Exchange at Operation: Egg Heist Shop
- Daily Lucky Chest Obtained from Daily Lucky Chest