Humboldt Premium Cannabis Single preroll in Hellfire OG, .6g. Hellfire OG is a Indica-dominant hybrid that is said to contain OG Kush and Blackberry genetics. The strains origins are poorly documented, but popular myth will tell you Hellfire OG was bred by biker ruffians in Southern California. If nothing else, we could assume this strain is named after its fierce psychoactive effects that settle in quickly and heavily. Lifting stress from the mind and pain from the body, Hellfire OG is a therapeutic strain commonly used to treat inflammation, insomnia, and PTSD.