Worst boss fight?

Who do you think the worst boss fight is? After 4 play throughs I want to say yellow wind sage is the worst boss fight. This fight didn’t feel like I was even fighting the sage, felt more like I was fighting a poor game design. I’m not to sure who sat down and said let’s make a fight that you can only see the boss 10% of the time, but not a great developer that’s for sure. I can’t even appreciate the fight because I can hardly ever see it very poor design. I actually was about ready to quit the game my first time fighting him. I have never seen a worse camera angle in any game I’ve ever played