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

Ace of Elementals

NPC	Level	Zone	Chance
Baron Charr Elite	58	Un'Goro Crater	24.8%
Princess Tempestria Elite	60	Winterspring	15.0%
The Windreaver Elite	60	Silithus	13.5%
Avalanchion Elite	58	Azshara	11.4%
Lord Incendius Elite	55	Blackrock Depths	2.00%
Hydrospawn Elite	57	Dire Maul	2.00%