Board Thread:Support Requests - Getting Technical/@comment-6723989-20190213233102/@comment-5811199-20190223224156

So the url you use is https://vignette.wikia.nocookie.net/jacksepticeye/images/6/63/True_Lies.ttf

You therefore have: url('https://vignette.wikia.nocookie.net/jacksepticeye/images/6/63/True_Lies.ttf');

So, you can copy all of the @fontface code to the top of a wiki's Wikia.css, replace the URL with the one given above, and then you can start using the font.