Any Hero has forged something into an item for the first time.

Complete all quests in Act IV.

Complete all quests in Act III.

Reach level 30.

Any Hero has used a teleporter for the first time.

Complete "The Last Enemy That Shall Be Destroyed".

Kill Belial in Normal mode.

Fully equip one of your followers.

Complete "And the Truth Will Set You Free".

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

Kill the Butcher in Normal mode.

Equip a legendary (orange) item.