Armored Chosen Tauralus

The tauralus has two tails, which are both absolutely necessary for whipping away buzzing pests like the bloodlouse.

Riding Requirements:

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

Source:

Achievement: Things To Do When You're Dead
Abomination Factory (Necrolord Covenant) in Butchers Block, Maldraxxus. Requires Exalted with Stitchmasters.

Notes:

This mount can only be obtained through the Abomination Factory feature by players who are members of the Necrolord Covenant in Shadowlands. To obtain this mount you must complete the achievement, Things To Do When You're Dead, which is a meta-achievement for a range of Abomination Factory activities.