Obtain Invincible from Arthas in Icecrown Citadel.

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

Owner of Amani War Bear.

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

Obtain an epic Brewfest mount.