The Library Key is part of the assembly of Death Step. This key is a rare drop from the Awakened Ice Admiral who is located at the main room in Ice Castle. Upon defeating the Admiral you can also get the Hidden Key, both if you’re lucky.
The chance of the drop is around 5% - 25%
IMPORTANT: This key (along with the Hidden Key) will disappear when you die or leave the game.
How to get Death Step
- 400 mastery on Dark Step
- The Library Key
For more information on getting Death Step you can visit the Death Step page.