Thread:IanTEB/@comment-171752-20190122171040/@comment-171752-20190212185518

When you click the button on that page, on the following edit screen you see this:. Replace  with the subdomain (the word to the left of .wikia in the URL), which in your case is. So for example, if you were linking de.dantdm.wikia, your entry would look like this:. Then repeat that for any other languages you want to link with this wiki.