Sanity Checker (Thaumcraft 4)

The Sanity Checker is an item added by Thaumcraft 4. It gives out the Warp level of the player holding it on the top left. There are 3 variants of purple if the player has warp which they should have if they were able to get that research. The brightest variant of purple determines the level of temporary warp, the normal one determines the level of normal warp while the dark variant determines the level of permanent warp.