Poison Pillar

The Poison Pillar is the unofficial name given to rocky, hole-ridden outcrops found throughout the world.

Behavior
A Poison Pillar emits a steady cloud of a poisonous gas. In some area the gas may extend outward further than where the poison pillars are located.

Combat
The Poison Pillar is immune to conventional weaponry (such as the Xeno-Zapper or Rebar Gun). It cannot be removed by Chainsaw and Nobelisk Detonator. Navigate around these pillars, or use a Gas Mask to pass through.

Locations
Poison Pillars are usually found in groups, typically around the various collectibles and exploration rewards that can be found around the map: Somersloop, Mercer Spheres, Power Slugs, and Crash Sites.

Trivia

 * The reason for the existence for the Poison Pillar remains unknown.