@JeremyECrawford If a 14th level Ranger casts Lightning Arrow as a 4th level spell, how many arrows that round are transformed?

— Jaden Stormtracker (@jstormtracker1) September 7, 2016

Lightning arrow transforms 1 piece of ammunition or 1 thrown weapon. #DnD https://t.co/rwkrfI3vbp

— Jeremy Crawford (@JeremyECrawford) September 8, 2016