Breath

 is one of the Status Effects on the player in the world of Stranded Deep.

Summary
Breath is a status effect better known as Suffocation that results from staying underwater for too long. If a the player is underwater too long, the edges of the screen begin to turn black and the player begins to make gasping noises. This causes a 20% damage per second to health, quickly killing the player. This can be avoided by surfacing or by using an Air Tank.