@JeremyECrawford For the spell Sleet Storm, DEX save is made 1/round, is it the same for the Concentration check? Or is the Con check once?
— Mark Iantorno (@miantorno) November 13, 2015
Sleet storm intent: make the Con. save to maintain concentration at the same times as the Dex. save. #DnD https://t.co/6RHulCARMk
— Jeremy Crawford (@JeremyECrawford) November 17, 2015