|Release||19 December 2016 (Update)|
|Quest item||Sliske's Endgame|
|On death||Always kept outside Wild|
|Examine||A prism that can be fitted into a mask slot.|
A prism was an item planned to be used in one of the puzzles during Sliske's Endgame. The puzzle was scrapped during development, but the prism remained in the game APIs.