%% Last Updated: - [[2021-04-15]] %% When a creature runs out of breath or is choking, it can survive for a number of rounds equal to its Constitution modifier (minimum of 1 round). At the start of its next turn, it drops to 0 hit points and is dying, and it can't regain hit points or be stabilized until it can breathe again. This applies whether to [[Underwater Combat]] or being suffocated above water.