PC brought to 0 HP by a Specter, Revivified in the same round

@kickmurder @JeremyECrawfordedge case: PC brought to 0hps by a specter, Revivified in the same rnd. If max hp is 0 does he revive with 1hp? i don’t think max hp can go below 1, but the rules might be silent there. i’d use minimum 1

— Mike Mearls (@mikemearls) March 21, 2016