Of all the reagents in Hades 2, Moss is interesting because at some point you know you're going to die while getting it. Here's how to get Moss in Hades 2.

You may already know, but the Underworld isn’t the only place you can visit in Hades 2. Keep playing and you’ll unlock an Incantation that opens the path to the surface. After completing the Incantation, you can only stay there for a few minutes as your health will slowly drain.

To survive on the surface for more than a few minutes, you'll need to complete another spell. To do this, you'll need:

And you guessed it…