Here is the full list of all 18 Changeling Tale achievements.
Reach the end of Marion's story.
Reach the end of Jessie's story.
Reach the end of Grace's story.
Reach the end of the story without finding romance.
Hey, stop that!
Retrieve the trinket.
Pants on fire.
Reach all endings in Marion's final chapter.
Scratch the itch.
It's just an average night on the town.
Learn how to control the shapeshifting.
Impress Grace with your fishing skills.
Court Grace three ways.
Inspect both photos.
Set sail with a different sister.
If at first you don't succeed, try, try again.
Something stirs in the the forest...
Find and activate all the Easter Eggs.