@JeremyECrawford For Booming Blade, did you intend for standing up from prone to trigger the extra damage? It costs movement.
— Thomas Bechtel (@thomas_bechtel) November 5, 2015
Standing up costs movement but moves you nowhere. To move while prone, you crawl or use magic (PH, 191). #DnD https://t.co/QZakD4Tv5X
— Jeremy Crawford (@JeremyECrawford) November 7, 2015