@JeremyECrawford is a 1 on an ability check not an instafail?
— Chris Cotter (@soupkills) September 13, 2015
Rolling a 1 on an ability check or a save is not an automatic failure. A 1 is an automatic miss for an attack. https://t.co/FG0ZL0zRzB
— Jeremy Crawford (@JeremyECrawford) September 13, 2015