Fear gas is a special weapon used by Jonathan Crane (aka The Scarecrow) created by illegal experiments and science.
Capabilities
When fear gas is used it will make whoever was sprayed by it (like what happened to Leslie Thompkins) go into a drugged hallucinations of their fears. The gas will mess with the person's fear by bringing it into reality.
Trivia
- Fear Gas is an adaptation of the weapon Scarecrow uses in the Batman comics universe known as: fear toxin.