Planet Crafter - Where to Find the Second Warden's Key

In this video I will show you how to get the second warden's key. I'm starting from the meteor field to get to the mushroom river cave. You'll need the first warden's key to access this one.
Check out the video below to find the first key:
• Planet Crafter - Where...
For keys 3, 4 and 5:
• Planet Crafter - Where...