Amanita

In the novel Amanita, we meet an innocent young man who is thrown into a world of mystery against his will. Plagued by a disease, his only hope lies in a peculiar woman, who comes to his village to offer him a fascinating but strange path forward. She undertakes hair-raising journeys into other realities and knows ancient secrets told from one generation to the next.
Learning that path is not easy, especially if you are young and there are so many distractions. But fate will catch up with you.