Mia's Bestiary: Dulurian Lighting harvest

Every moon cycle, the Dukurians bring out their thudurion's, large worms that can negatively charge themselves, resulting in extracting lightning from the sky. Stored in acid glands, the energy is then slowly released in the form of heat. Although dangerously looking, the creatures are benign and are kept below floors of the Dukuria dwellings, keeping them warm during the frosty nights