If u are the DM/GM and party if facing a Beholder. Would you allow PC to deflect a ray attack with a mirror?#dnd #rpg #dungeonsanddragons

— Michael (@TheRpgAcademy) July 5, 2017

I’d let them but they’d have to roll for the mirror not to break and/or for what direction the deflected ray goes to (can hit foes or allies Yeah, I like that approach. Make it possible, but add more chaos. You don't want it to become a standard or obvious tactics.

— Mike Mearls (@mikemearls) July 5, 2017