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

Black Drake's Heart

NPC Level Zone Chance

Scalding Whelp 41 - 43 Badlands 2.00%

Scorched Guardian Elite 43 - 45 Badlands 2.00%
Quest Level Side

Fiery Blaze Enchantments 45 Both

NPC	Level	Zone	Chance
Scalding Whelp	41 - 43	Badlands	2.00%
Scorched Guardian Elite	43 - 45	Badlands	2.00%