<puts on tinfoil hat>
1. Have friend ready to go.
2. Post fake password "accidentally" to stream.
3. Friend hacks account with real password.
4. Act sad and upset.
5. Have legion of fans donate money to you all over again.
<takes off tinfoil hat>
You don't even have to 'hack' it, Blizz would probably block the account if it suddenly got hundreds of login attempts from different I.P.'s
Still, funny stunt if staged, sorry for him if not & hopes he gets it all back via rollback. More power to him for geeting more hts for charity.