In an interview for MTV, lead WoW designer Jeff Kaplan said that Diablo 3 will feature an Achievement system.
There’s already something of an achievement system in Diablo 2 with the Lords, Dames and the other titles. However, what’s new in Diablo 3 is that your Diablo 3 achievements will be added to your WoW and Starcraft 2 achievements for a total Blizzard rank.
The Blizzard rank will be associated with your master Battle.net account, so you’ll be able to show off. I only hope they give adequate achievements bonus to WoW twinks ‘cos I have several!
I’m hoping they’ll take Warcraft 3 rank too!