Here is the full list of all 9 Cursed Sight achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Final ending unlocked.
Ending 3 unlocked.
Ending 2 unlocked.
Ending 1 unlocked.
Crossed paths with Queen Hydrianne.
Met the West Tarians.
Spent a day with Sasa the bellstress.
Served Miyon for the first time.
Started a new game.