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

Tiny Fang

NPC	Level	Zone	Chance
Deviate Faerie Dragon Rare Elite	20	Wailing Caverns	35.0%
Black Dragon Whelp	17 - 18	Redridge Mountains	12.4%
Snarlflare Rare	18	Redridge Mountains	11.5%