@JeremyECrawford Arcane focus in hand lets you cast a V, S, M spell with no other hand free, but not a spell with V, S components only. Why?
— Thomas Bechtel (@thomas_bechtel) June 25, 2015
A spellcasting focus follows the rule that applies to all material components (see PH, 203). https://t.co/XDa1ly3N9P
— Jeremy Crawford (@JeremyECrawford) June 29, 2015
