A Hero's Burden - Quest - World of Warcraft - wowhead.com
Comment by zalluth I found that when the lich goes takes control of both the Frenzyheart and the Oracle that if you stun him (well I used Holy Wrath that stunned him) you can attack the lich again.
Arcanite Ripper - Item - World of Warcraft
Comment by Hwang Tenris Mirkblood, who drops this axe, is a part of the Scourge Invasion event for Wrath of the Lich King. Once the event ends, which will probably be at the expansion's release, you will be unable to acquire this item.