This tiger’s-eye gem bears a striking resemblance to the eye of a cat, its gaze seeming to dart about.

A revelation crystal help you battle foes who rely on invisibility.
As the least crystal, but any active invisibility effects on the damaged creature are also suppressed for 1 round (even if the invisibility is natural or extraordinary).

Prerequisites: Craft Magic Arms and Armor, true seeing.
Cost to Create: 500 gp, 40 XP, 1 day.