Hi Nuli
It would help if you posted the link to the specific video since there are many plugins that help with various raids in different ways. However, I suspect you are referring to the Prime plugin:
https://www.lotrointerface.com/downl...imePlugin.html
There is a video on how to set it up to help with Hiddenhoard:
https://www.youtube.com/watch?v=rdQkqOPDkzI