Comment on Massive Passive Profits Autoblog Plugin by SEO Dave.
Settings >> Reading
If you click the “A static page (select below)” and select a page that’s the page that’s shown on the front page.
Change it back to the default “Your latest posts” and it will show a set of archives again.
If it’s not that Stallion doesn’t change the layout of the home page in a way that would only show one post, so not a Stallion theme issue.