@JeremyECrawford PC casts Confusion on Morkoth It saves, spell reflects on caster. If caster fails save, is concentration maintained or not?
— Jason Sandeman (@Jason_Sandeman) January 24, 2017
You can end concentration on your spell at any time (no action required). See "Concentration" (PH, 203). #DnD https://t.co/vcQUkTppLN
— Jeremy Crawford (@JeremyECrawford) January 30, 2017