Here is the full list of all 15 Life of a Wizard achievements.
Graduate from the Academy of Wizards.
Kill the dragon Parnaxxus
Create a new Golden Age.
Take over the world.
Retire.
Leave home.
Become the Archdruid.
Become the Archmage.
Fall from grace.
Come back from the dead.
Your child is Royal Wizard.
Have no friends or lovers.
Allow your child to rule Daria.
Make the perfect party.
Become the Archbishop.