Black War Elekk

Uniquely aggressive and pugnacious elekk bulls are culled from the herd and sold to Ethereal traders. The traders then train the bulls for combat and sell them to owners unconcerned about safety.

Riding Requirements:

This mount is available to all eligible characters on your account.
Level 10
Apprentice Riding
Alliance only

Source:

Lieutenant Karter in Champions' Hall, Stormwind.
Cost: 15

Introduced in:

Patch 2.4

Travel Mode:

Ground (+60% or +100% speed)

Speed depends on your riding skill.

Other Mounts Using the Same Model:

More info on Wowhead:

Black War Elekk taught by Reins of the Black War Elekk