From Fallen London Wiki
Action purge is not allowed on comment pages.
I tried it 100 times and never once got 4 VI or even 9 VO
<a rel="nofollow" class="external free" href="https://mega.nz/folder/WGQjTQaL#9SNG9vVzgcAiXIz6giGIjg">https://mega.nz/folder/WGQjTQaL#9SNG9vVzgcAiXIz6giGIjg</a>