Gem of True Seeing

Allows the Hero to detect hidden or invisible units in the Hero's line of sight when carried.
A common item found in all maps from Warcraft 3. It is dropped by most weak creeps and can be bought from goblin merchants.
It detects hidden or concealed enemy units, revealing them and making them vulnerable. 
== Appearances ==
Warcraft III: Reign of Chaos
Warcraft III: The Frozen Throne
World of Warcraft
== Item Stats ==
Warning: The item statistics below are taken from the original item found in Warcraft III: Reign of Chaos.
Name: Gem of true seeing
Item class: Permanent
Item charges: N/A
Description: Detects hidden enemy units.
Item Level: 2
==External links==
* Blizzard
Category:Warcraft III items
es:Gema de la Vista verdadera