For anyone who just wants to see the fight it starts at 06:43.
This is an interesting stage, one that might give some people issues. I included the water wheel stuff in the event someone gets stuck. If you don't catch the pattern it's 5, skip, 4, skip, 3, 4, 1, skip. Entering that after finishing the third area and pulling the lever at the start will raise the bridge. There is also loot below if you want to get some new stuff.
The fight has a couple different options, with the biggest being the option to kill the Doe or save it. I included both since, along with the items you get, if people want to save time.
Sections:
00:00 - Activating the waterfall
00:07 - Entering the code
01:31 - Conversation with the Ravager
05:32 - Killing the Doe
06:43 - Saving the Doe
08:28 - Post fight rewards