Ny'alothan Shadow Worm

Coming in Patch 11.1.5.

It feeds on your thoughts, even the ones you are thinking as you read this.

Riding Requirements:

Level 10
Apprentice Riding (ground)
Expert Riding (flying)

Source:

Achievement: Mastering the Visions

Notes:

This blue abyss worm is a reward for completing Mastering the Visions, a meta-achievement for completing both Revisited Horrific Visions with all masks active and all objectives completed.

Travel Mode:

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

Speed depends on your riding skill.

Other Mounts Using the Same Model:

Abyss Worm

Nazjatar Blood Serpent

Riddler's Mind-Worm