@MajorDewarCan you retrain feats in 5th edition, i’ve searched everywhere. Any answer from you will be awesome. There's no retraining rule for feats. If you'd like to redo parts of your character, consult with your DM, who might allow it.
— Jeremy Crawford (@JeremyECrawford) March 25, 2015
Can you retrain feats in 5th edition?
