Thank you for taking the time to contact Blizzard Entertainment Customer Support.
We are not able to provide the restoration requested in your ticket.
Diablo III does include the ability to restore items or heroes, within limits. Each vendor in-game has a Buyback Items tab that can be used to purchase mistakenly sold items back at no additional fee. The most recently deleted hero can be restored using the Restore Hero button on the hero selection screen.
If an item or hero cannot be recovered using in-game systems, it is permanently lost. Additionally, we cannot alter followers, artisans, or achievements.
For more information on restorations in Diablo III, see our support article:
http://eu.battle.net/support/article/4600047.