@JeremyECrawford Surprise rules work for 2 sides. What happens with surprise when a 3rd side sneaks up/hidden from the melee and ambushes?
— Ben Coulthard (@b_coulthard) December 2, 2015
The surprise rule is only relevant when a combat starts. Any ambushes during the fight use the stealth rules. #DnD https://t.co/pOUJ7UXiQM
— Jeremy Crawford (@JeremyECrawford) December 4, 2015