Ny'alotha Allseer

To find him, drown yourself in the Circle of Stars.

Riding Requirements:

This mount is available to all eligible characters on your account.
Level 10
Apprentice Riding (ground)
Expert Riding (flying)

Source:

N'Zoth, the Corruptor in Ny'alotha, the Waking City (Mythic).
The Black Market Auction House (rarely)

Notes:

This many-eyed jellyfish drops from N'Zoth, the Corruptor in the raid 'Ny'alotha, the Waking City' on Mythic difficulty only. As with previous Mythic raid mounts, it is possible that the Ny'alotha Allseer will be a guaranteed drop (for all party members) at the time the raid is current, but it'll become a rare drop once the next expansion is released. Note that although Mythic difficulty has been removed from the Allseer's description in the mount journal - which might suggest it drops from other difficulties - it's still only listed among Mythic loot in the Adventure Guide. We'll have to wait and see.

Introduced in:

Patch 8.3

Travel Mode:

Ground (+60% or +100% speed)
Flying (+150%, +280% or +310% speed)

Speed depends on your riding skill.

More info on Wowhead:

Ny'alotha Allseer taught by Ny'alotha Allseer