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Pifoydrix
Many have speculated that the true birth of the GuT came with the birth of the Pifoydrix fungus. Claimed by Jirig Te' Bominitos himself to be the very thing responsible for his visions and his open communication with Omnikia, the Pifoydrix is quite sought for, despite its rarity in modern times. One who takes in the Pifoydrix will open new senses, some even so much to consider them an awakened Navigator. The fungus can have a mutual symbiosis with a host and can help expand its lifespan, and furthermore, can continue coexist with the body up until the host's death. What survives today of the fungus is all thanks to the salvaging of samples from the remnants of the solar system of Vis La Qu. The preserved fungus can be found at Argrig, but other species have found well-hidden homes in certain life-lenient worlds.
Psarkia
Besides Earth, Psarkia is another planet of which Humans are the predominant sentient. The Humans of Psarkia descended from those among the first Homo Sapiens from Earth who were relocated. Psarkia is a fairly peaceful world with its Human race embracing the values and morals of the Bominitian Community of which their planet is a part of. Nature and technology on Psarkia co-exists with each getting their equal share of the planet's realms, thanks to the prohibition of pollution. Perhaps Earth's Humans can learn a thing or two from those of their kind who inhabit Psarkia!
Psilocyclone
Psilocyclone is Professor Donk Tloca's mixture of the strongest mind-altering mushrooms of Fyriie. The spiritual Fyriie area of Earth is ripe with mushrooms, all with psychoactive properties if eaten, just the same for every plant or animal that exists there. The mixture is a powder that Donk sells pure, or bakes into sweets for purchase. The Psilocyclone is one of many psychotropic mixtures that would allow those of the living, physical Ni'Yan reality to enter Fyriie.