Obtain the X-45 Heartbreaker from Apothecary Hummel in Shadowfang Keep during Love is in the Air.

Obtain Invincible from Arthas in Icecrown Citadel.

Obtain a Grand Black War Mammoth.

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

Owner of Amani War Bear.

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

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

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

Defeat Yogg-Saron in Ulduar on 10 or 25-Player Pre-Nerf difficulty, before the release of the next raid tier.