Selling the whole battle.net account with a Mage, Priest and Warlock that are 90lvl. Also there are Druid, Rogue and a Warrior that are 85+ on the account.
The Mage is the main and most of the achievments are made there as well as some legendaries and most of the mounts.
More info can be found here: Mephalia :: WoWProgress - World of Warcraft Rankings
For more questions: Skype- Prosatannos or here in the forums.