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

Inlaid Mithril Cylinder

NPC Level Zone Chance

7:XT Rare 41 Badlands 3.03%

Clunk Elite 48 Searing Gorge 0.623%
Container Chance

Heavy Crate 4.20%
Source How Reagents

Inlaid Mithril Cylinder Blacksmithing (1) Mithril Bar ×5Gold BarTruesilver Bar

NPC	Level	Zone	Chance
7:XT Rare	41	Badlands	3.03%
Clunk Elite	48	Searing Gorge	0.623%