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.
This is proof that you've honed a certain Support Talent enough to be able to teach it to others at the inn. Those who can, do. Those who can even better, teach!