No need to delete big posts, just edit and add in spoiler
https://www.phpbb.com/community/viewtopic.php?t=691145
I will glad to see spoiler in our forum here
Also good one mod is :
https://www.phpbb.com/customise/db/mod/ ... for_posts/
To see who is most active and helpfull on forum (i`m not for sure, users calls me bogeymen:))