Midnight

Still one of the most vicious steeds stabled in Karazhan.

Riding Requirements:

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

Source:

Attumen the Huntsman in Return to Karazhan.

Notes:

This special undead steed drops from Attumen the Huntsman in Legion's revamped version of Karazhan. The Fiery Warhorse still drops from the original level 70 version of the same villain.

Introduced in:

Patch 7.1

Travel Mode:

Ground (+60% or +100% speed)

Speed depends on your riding skill.

Other Mounts Using the Same Model:

Mograine's Deathcharger

Nazgrim's Deathcharger

Trollbane's Deathcharger

Whitemane's Deathcharger

More info on Wowhead:

Midnight taught by Midnight's Eternal Reins