Complete Act V with a Necromancer.

Listen to all of Master Ordan's conversations in the Pandemonium Fortress.

Kill your own Shadow Clone with Simulacrum during the Diablo encounter.

Craft 100 items.

Equip all Inventory slots with Legendary items that have a minimum required level of 70 or higher.

Kill Urzael.

Kill Azmodan.

Kill Ghom.

Complete all quests in Act II.

Defeat Diablo after using an ability that costs health while below 10% of your life.

Replace a property with Enchanting.

Reach level 70.