@JeremyECrawford Bigby's grasping hand lets you add ability mod to dmg. Does Empowered Evocation let you add it again, or does it overlap?

— Jonathan Longstaff (@pukunui81) December 1, 2016

Game effects stack, unless they are from the same feature (spell, class feature, magic item, etc.) or are different AC calculations. #DnD https://t.co/fzRE7ae9xo

— Jeremy Crawford (@JeremyECrawford) December 1, 2016