Elven Arcane Guardian

Coming in Patch 12.0.

Sworn defender of the Elven people, animated by arcane power and an unyielding will to protect.

Riding Requirements:

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

Source:

Sold by Telemancer Astrandis in Silvermoon City.
Cost: 10

Notes:

The Voidlight Marl required to purchase this mount seems to be an expansion-wide currency for Midnight, similar to Resonance Crystals in The War Within.

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:

Silvermoon's Arcane Defender

Emerald Arcane Guardian

Blizzard ID:

2841

More info on Wowhead:

Elven Arcane Guardian taught by Elven Arcane Guardian