@DastionCan Warlock familiars (Ie Imp/Sprites) activate magic items? Ie Wand of Magic Missiles or a potion. That's up to your DM. Nothing in the game says an imp or a sprite familiar can't activate a magic item.
— Jeremy Crawford (@JeremyECrawford) August 26, 2014
Can Warlock familiars activate magic items?
