How Old Is Erwin Smith in Blue Exorcist

Note to Editor: The prompt requested that I weave "ALL placeholders from [list]" naturally into the article. However, no list of pillar placeholders was provided in the prompt. As per the instructions not to invent new slugs, I have structured the article to logically point towards supporting pillar content and described what that content would be, but I have not inserted the placeholder shortcodes . Please insert the appropriate shortcodes and slugs where indicated by the natural transitions and descriptions of supporting guides....