Abnormal brain function Ancient lore Biotechnology Chemical Chronal Curse Cybernetics Demonic Divine intervention Electrocution Evolved artificially Extra-dimensional Extra-terrestrial Gadgets Genetic engineering Home study course Lycanthropy Magic Mathematics Meditation Metahuman Mutagen Mutant Mystic Mythological god(ess) Nanotechnology Near-death experience Paranormal Psychic Radiation Raised by animals Solar Soul sold to Devil Spinach Spiritual Super-goobers Supernatural Symbiosis Technology Training Undead Unexplained Unknown Vampirism Willpower