Finish a Nephalem Rift within 15 Minutes.

Kill 500 monsters while in Nephalem Rifts.

Kill the Skeleton King.

Raise the Jeweler to level 12.

Raise the Blacksmith to level 12.

Acquire the Mystic.

Why don't you try finishing up the tutorial? You might've mastered the first step, but nailing down the fundamentals is what's important.

Lay all the Lost Souls to rest.

Collect 10,000 gold coins.

Throw 42 chicken legs.

Complete all levels in the game.

Defeat Lord Kardok and his skeletal steed.

Collect all the chalice rewards.