Battle-Hardened Aquilon

The aquilon can be a valuable ally in combat, with capabilities exceeding those of the phalynx.

Riding Requirements:

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

Source:

Achievement: On the Offensive
Duchess Mynx in Keeper's Respite, Korthia.
Cost: 1000

Notes:

This coppery aquilon can be purchased from Duchess Mynx in Korthia, but only after completing the achievement, On the Offensive. This is a meta-achievement for activities related to covenant assaults on the Maw in patch 9.1.

Introduced in:

Patch 9.1

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:

Ascendant's Aquilon

Elysian Aquilon

Forsworn Aquilon

More info on Wowhead:

Battle-Hardened Aquilon taught by Battle-Hardened Aquilon