Full list of all 56 Tales of Zestiria achievements. It takes around 100-120 hours to unlock all of the achievements in the base game on Windows.
The base game contains 50 achievements, and there is 1 DLC pack containing 6 achievements.
Either on (at least) your 2nd playthrough or in Hard (or greater) difficulty, conquer the fierce battle at Lefay, the Shrine of the Water Trial, without using any items!