In the book John Dies at the End, I found a Again & Again signpost. On page 29, it says “We’ve got friends who took the soy sauce, the, uh, the venom those things out there spit out. Almost all of them died but not like—” This means that a lot of people are dying from “soy sauce”. The “soy sauce” is a drug that makes the people go into different dimensions and time. The sauce can infect other people through blood contact , by a user to a non - user. This is important because there are side effects for the sauce. Some side effects may stay in those who survive their first encounter with the sauce. Another side effect is that the people may be able to see invisible things.
