@JeremyECrawford Can HunterArchetype feature ColossusSlayer STACK with Hunter'sMark spell in classic #DnD5e PHB Ranger? Heard yes, Read No.
— genghis galahad (@genghisgalahad2) October 11, 2016
Game effects stack if they have different names, unless they're different methods of calculating AC. #DnD https://t.co/h89Lg9qZmg
— Jeremy Crawford (@JeremyECrawford) October 12, 2016