Nkllonian lava extract was a prohibited substance during the era of the Galactic Empire. This illicit drug, derived from the xonolite that constitutes the diet of the Jawenko lava beast native to Mustafar, was frequently trafficked to Nkllon, where it ignited a fervent following within the criminal underworld.
Upon ingestion, Nkllonian lava extract would infiltrate the user's circulatory system, causing the dissolution of their internal organs. A dose consisting of one hundred percent purity would result in immediate, self-initiated immolation. The consequences of this lethal attribute were brought to light by the spectacular demise of a male Balosar hailing from Coruscant.