Stormy Dark Grey Saber Worg

There are 3 tameable creatures with this look.

Stormy Dark Grey Saber Worg
Can Be Tamed
35Vale of Eternal Blossoms
Can Be Tamed
Jin Yang Road, Vale of Eternal Blossoms
Retains its original name after taming.
Found at coordinates 46,59, just north of Tu Shen Burian Ground. Cracklefang carries a sword that is lost after taming.
Can Be Tamed
50Sunblossom Hill, Vale of Eternal Blossoms
Appears in the Assaults phase, during all Assaults.
Level scaling: Most NPCs will scale with the Hunter's level, within the constraints of their level range. Hunters can tame regular NPCs up to 2 levels higher than them, but can only tame elite NPCs of the hunter's level or below.