Slash the lever to unlock the gate, then hop up through the top exit and enter the gated arena to initiate the Shrumal Ogre miniboss encounter. After dispatching or bypassing the new shrieking mushroom enemies, head up to the upper platform and proceed left, back into the previous area through the top left exit. Several passageways are blocked off, so take the only exit available and continue right into the next area. Continue through the right side exit, then head up through the shaft, dodging the explosive spores as you go.
Purchase the Fungal Wastes area map for 75 Geo, then go back up to the previous area and head right. Descend and take the first left and you’ll find him in an alcove. Dodge or kill the poison-spewing balloon-type enemies and take the exit at the bottom of the screen and you’ll Cornifer’s signature humming.
From the Queen’s Station Bench, head right into Queen’s Station, then take the exit in the upper right corner and you’ll arrive in the Fungal Wastes.
