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

Notched Rib

NPC Level Zone Chance

Rattlecage Soldier 6 - 7 Tirisfal Glades 40.0%

Cracked Skull Soldier 8 - 9 Tirisfal Glades 40.0%
Quest Level Side

The Mills Overrun 8 Both

NPC	Level	Zone	Chance
Rattlecage Soldier	6 - 7	Tirisfal Glades	40.0%
Cracked Skull Soldier	8 - 9	Tirisfal Glades	40.0%