It took me hours, but I just beat Nightmare King Grimm. That fight is horrendously difficult, but it’s perfectly tuned. It feels amazing when you’re able to execute a successful dodge and get a hit or two in along the way.
I kept dying in phase 2 out of 4. Then I put on a podcast and beat him that very try. I don’t know what that was about! I think my brain is better at videogames when it’s distracted.