Magic has long been used as protection. One such use is the spell
which creates an aura around the target that protects them from various
asphyxiation spells. This spell also is known by an older name, air
shield. While it cannot completely absorb all asphyxiation attacks, it is
still able to take the brunt of the attack, perhaps saving the target's
life.
Ether boundary is available in the following guild: