report : NPC Don't work 'Slahtz'

Realm:
-Sylvanas
Character (name, faction, level...):
-Vitøc, Undead, Level 19
Complete description of your issue (do not forget to specify the issue, all conditions for making the issue to happen, and if the issue is related to a phase, specify the phase in which you found this issue):
-Theres a NPC called 'Slahtz' found in Orgrimmar ( Hall of the Brave ) , This NPC is a Experience Eliminator. As a Twink ( Low Level PVP Character ) i need to stop my XP until i can get more stuff etc without leveling up. Hope you can fix it soon.
Steps for reproducing the issue:
-Delete it and repop it, Or look for script.

additional informations

links :

• open associated link

screenshot :