It got me worried about history. The whole story sounds like 90s zine fiction, which I think it is - there is no record I could find beyond the original story from 1995 on Harper’s Magazine [2], yet it is now in Wikipedia, stated as a fact.
[1] https://en.wikipedia.org/wiki/John_Frum
[2] https://skeptichume.weebly.com/the-gospel-according-to-prum....
> Nat. Geographic: May 1974. "Tanna (Island, New Hebrides, South Pacific Ocean) Awaits the Coming of John Frum (cargo cults of Melanesia since about 1940)".
(See https://georgehbalazs.com/wp-content/uploads/2019/08/TANNA-A... for a scan of the full article.)
Did you look at the references section in the article?
https://en.m.wikipedia.org/wiki/List_of_cognitive_biases#Fre...
https://en.wikipedia.org/wiki/Wikipedia:Articles_for_deletio...
Clues to Part 2 of The Secret can be found in this Wikipedia article: https://en.wikipedia.org/wiki/Special:Random
Stakes are high! At the end of the trail of clues, the Council of Immortal Wizards will ask you to join their ranks, at which time they will confer immortality upon you. There are only 10E100-1 steps to go!
Good luck!