@JeremyECrawford Mage Armor ends when castor "dons" armor, but can it be cast while already wearing armor (assuming proficiency).
— Daniel C Eagle (@danielceagle) September 26, 2016
Mage Armor: take a look at the first sentence of the spell. The target can't be wearing armor. #DnD https://t.co/CfWExk3Hzt
— Jeremy Crawford (@JeremyECrawford) September 27, 2016
