@JeremyECrawford @LeMarcSharma which prompts a question: an on-spellcast effect like Storm Sorcerer 10 feet movement trait does activate?
— Enrico Boccardi (@EnricoBoccardi) October 14, 2016
Tempestuous Magic requires the sorcerer to cast a spell of 1st level or higher. It doesn't require that spell to be successful. #DnD https://t.co/UPPPPIEOWT
— Jeremy Crawford (@JeremyECrawford) October 14, 2016