@JeremyECrawford Can you concentrate on Invoke Duplicity while Raging?

— Chris Chapman (@GammaViking) January 26, 2018

You can't concentrate on a spell while you rage. This prohibition applies to abilities like Invoke Duplicity that require you to concentrate on them as if they were spells. #DnD https://t.co/jxBsiS5mx7

— Jeremy Crawford (@JeremyECrawford) January 26, 2018

Thank you so much for the reply! Sure thing!

— Jeremy Crawford (@JeremyECrawford) January 26, 2018