Kill Diablo in Inferno mode.

Complete all the Azmodan triumph challenges.

Complete all the Belial triumph challenges.

Kill the Butcher in Inferno mode.

Kill the Skeleton King in Inferno mode.

Kill Diablo in Hell mode.

Pick up 500,000 gold.

Equip all Inventory slots with items that have a minimum required level of 25 or higher.

Kill one of the unique enemies listed in the Never Seen That Before Challenge.

Fully equip one of your followers.

Kill Diablo in Normal mode.

Complete all quests in Act III.

Complete all quests in Act II.