@mikemearls so, why magic items for runes, rather than any other mechanical option, like the prestige class, or subclass options?

— Bryce (@DoctorBadWolf) September 1, 2016

Good question! Easiest for players to access in SKT without planning characters ahead. #WOTCstaff https://t.co/VJF9OoX2xF

— (((Mike Mearls))) (@mikemearls) September 1, 2016