This full helm is made of leather and steel. It has a breathing apparatus from and lenses for the eyes. The helm covers the entire head but may be donned as an action. It is magical and protects the wearer from natural and magical effects which affect dangerous breathing. While wearing the protected creature is not affected by poison clouds, gases, choking, or magical spell effects from spells such as Poison Spray, Ray of Sickness, Stinking Cloud, and even CloudKill.

While wearing the mask a creature suffers substantial penalties. The wearer is at disadvantage at perception checks and initiative rolls.