Fires a Toxic Bullet, dealing damage to hit enemies. The Toxic Bullet explodes, creating a Toxic Puddle and inflicting Room 0 Trauma on those it hits. Room 0 Trauma inflicts continuous damage and inflicts Poison to nearby enemies.

Gains Plague Bodyarmor. Inflicts Room 0 Trauma on the attacking enemy. Room 0 Trauma inflicts continuous damage and applies Poison to nearby enemies.

Throw poison to create a Toxic Swamp. Enemies that touch the Toxic Swamp take continuous damage and are inflicted with Poison and Venom-Soaked. Enemies with Venom-Soaked leave Toxic Footprints as they move. Enemies who touch the Toxic Footprints are inflicted with Poison.

Equip a Unique Weapon. Unequipped after all bullets are consumed or after a certain period of time has passed. Enemies hit by the Unique Weapon bullets are inflicted with Room 0 Trauma. Room 0 Trauma deals continuous damage and inflicts Poison on nearby enemies.

Increases Toxic Skill Power by the number of nearby enemies inflicted with Poison.