For some reason Cornifer is easy to miss in the Royal Waterways. This is mostly because everything that you need to do in the Royal Waterways is on the opposite side of Cornifer.
Requirements for Royal Waterways Map:
How to find the Royal Waterways mMap?
- Drop into the Royal Waterways and head to the left
- Keep to the left until you start to see Cornifer’s pages on the ground
- Eventually you will see a room full of round Hwurmp enemies.
Destroy these enemies to unlock the door to Cornifer
- With the enemies gone, go through the newly opened door to Cornifer
Having the Royal Waterways map will make life much easier. It is already dark down there and you are going to want a map to guide yourself around.