Grey Musken w/ Lightning Horns

There is one tameable creature with this look.

Grey Musken w/ Lightning Horns
Can Be Tamed
Nastrondir, Stormheim
Retains its original name after taming.
Retains the lightning effect on its horns after taming.
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.