Breath Control

(Secrets of Sarlona, page 115, DnD 3.5)

[General]

You have mastered your body's need for air.

Prerequisite

CON 13, WIS 13

Benefit

You can hold your breath twice as long as normal. When you must make a saving throw or check involving breathing, including suffocation, altitude sickness, and gas attacks (such as smoke or stinking cloud), you receive a +4 bonus.