Location: This schematic can be purchased from Gun Shops.
- Requires items derived from the fifth schematic acquired while graduating in the Explosives Discipline and the fourth schematic acquired while graduating in the Chemistry Discipline plus an Expertise level of seventy in the Chemistry Discipline and an Expertise level of sixty in the Explosives Discipline.
- Corrosive Acid is sold by Inventors' Shops too.
- One Explosive Grenade can be found in the thief cave at the Crash Site.
- Pollock will give an Explosive Grenade to technological characters that will join his gang.
- One item can be obtained per unit of both components.
Effects: Creates a smoke curtain in a 3X3 area that will continuously poison what pass through it, similarly to the Poisonous Vapors spell.