Here is the full list of all 22 Ember achievements.
Encounter the Darkbringer in Darkwood.
Escape from the Barrows and enter the world of Domus.
Find Fia and return her to her Lantern.
Meet the Goblin King deep within the Goblin Library.
Infiltrate the Thieves Guild and find their Leader.
Meet the nefarious Necromancer carrying out experiments in the Bog of Souls.
Stop Prince Syrion's evil plans.
Find your heart and make your Lightbringer whole.
Burn the Blue Whale.
Settle things with the Fish Co. peacefully.
Restore the Giant Cliffs Shrine.
Restore the Sanctuary Shrine.
Restore the Ember Mines Shrine.
Restore the Shrine beneath Radiance.
Finish Ember.
Recruit Zannon to join your party.
Unleash a horrifying doom upon the world.
Discover what has happened to Moros, the prospective Dragon Hunter.
Deal with the mysterious cult living in the sewers below the City of Light.
Discover what has happened to Gloria and her missing husband Davey.
Acquire a mystical, long lost weapon of Lightbringer lore.
Tip the Five Lanterns Band.