@JeremyECrawford does sneak attack or colossus slayer triggers hunter's mark each one?
— Felipe Pincelli (@felipefirebrand) March 15, 2016
Hunter's mark deals its damage when you hit with an attack, not each time damage is dealt. #DnD https://t.co/XK2CeTMZhu
— Jeremy Crawford (@JeremyECrawford) March 21, 2016