Faerie Fire (Feral) Talent

From wow.incgamers.com

Talent: Faerie Fire (Feral)
Effect: Decrease the armor of the target by 175 for 40 sec. While affected, the target cannot stealth or turn invisible.
Statistics: Rank 2 and above is considered a skill, details of which can be found on the Faerie Fire (Feral) Skill page.