Obtain Invincible from Arthas in Icecrown Citadel.

Obtain a Red Qiraji Resonating Crystal.

Obtain an epic Brewfest mount.

Obtain The Horseman's Reins from The Headless Horseman in the Scarlet Monastery during Hallow's End.

Obtain the Swift White Hawkstrider from Kael'thas Sunstrider in Magister's Terrace.

Obtain the Reins of the Raven Lord from Anzu in Sethekk Halls.

Obtain the Swift Zulian Tiger from High Priest Thekal in Zul'Gurub.

Obtain the Deathcharger's Reins from Baron Rivendare in Stratholme.

Owner of Amani War Bear.

Obtain Mimiron's Head from 25-player Yogg-Saron with no Keepers assisting you.

Earned the title, "Sergeant".