“How to buy souls” is a hypothetical question and doesn’t have a practical answer in reality or in any known belief system or religious context. The concept of buying souls is often associated with mythical or fictional narratives, where it is used as a plot device or a metaphor.
The idea of buying souls is a complex one, often associated with the concept of selling one’s soul to the devil or other supernatural entities in exchange for power, knowledge, or material possessions. In various mythologies and folklore, the notion of making deals with supernatural beings for personal gain is a recurring theme.