Bloodied Arcanite Reaper

Heirloom Item
Heirloom items scales to the level of the character it is being worn on. It should last most classes to level 80 and can be mailed to a person's alternate character if they are on the same account.

Source
This item is sold by the following vendors for :
 * in Dalaran
 * in Dalaran
 * in Dalaran

It is also sold by the following vendor for upon obtaining the Crusader title :
 * in Icecrown