Barbarians tough physical training has given them inherent abilities
to shrug off or ignore most maladys that can inflict the normal
adventurer. Poisons that may make a normal person bed-ridden for a week,
may not even be noticed to a strong barbarian. This ability is also useful
not for only natural occuring poisons, but also helps against attacks
which come in the form of toxins and poison.
Toxic immunity is available in the following guild: