14 Greatest Fallout 4 Secrets That Will Make You Wanna Replay It Immediately

Nirnroot

In Bethesda’s other series, The Elder Scrolls, you’ll come across plants called Nirnroot. You can use the plant to make various potions. If you find yourself in the Brotherhood’s flying ship, the Prydwen. It appears the Brotherhood is trying to figure out what the plant is, as it’s labeled simply as “Experimental plant.”