@JeremyECrawford, for Warlocks, can you take the same Eldritch Invocation twice? Most wouldn't stack, but for Dreadful Word, Mire the Mind?
— Deaven Watt (@daw4989) September 22, 2016
You aren't meant to be able to take a particular eldritch invocation more than once. #DnD https://t.co/ldpb1kdPwJ
— Jeremy Crawford (@JeremyECrawford) September 22, 2016