Items, NPCs, quests, objects and spells of patch 1.12.1, read live from the realm itself.

Narain's Robe

NPC Level Zone Chance

Rabid Shardtooth 59 - 60 Winterspring 0.02%

Son of Hakkar Elite 60 Zul'Gurub 0.02%
Container Chance

Narain's Special Kit 100%

NPC	Level	Zone	Chance
Rabid Shardtooth	59 - 60	Winterspring	0.02%
Son of Hakkar Elite	60	Zul'Gurub	0.02%