In the in-game UI, there are some tooltips that have a link to what I presume is a Guide page, such as this one: Last Epoch on GeForce NOW - March 15 @ 08-36-21 AM · CleanShot Cloud
Vicious Rampage
Your Raptor gains increased effect from Rampage.
But I can’t figure out how to hold the tooltip open so I can actually click on that link to Rampage. It’s unclear what Rampage is, otherwise.