|Release date||17 October 2005 (Update)|
|Quest item?||Mourning's Ends Part II|
|Alchemy||Cannot be alchemised|
|Destroy||Resetting the light maze will generate a new crystal.|
|Store price||Not sold|
|Examine||A blue crystal.|
The Blue crystal is a quest item used in the Mourning's Ends Part II quest. It is obtained by solving part of the light puzzle in the Temple of Light and is needed in order to progress further through the puzzle.