Korean movies and shows have quite a good rep and I do like some of them. Happiness, Squid Game, and Kingdom are notable examples. On the other hand, there's also a crapload of mediocre stuff, including Black Knight.
Even though I love ultra-dystopian series and the show's premise is somewhat intriguing, despite being completely senseless and unbelievable, Black Knight is just not good.
Not quite at Hellbound-levels of suckery, I had a rough time getting through the short, six-episodes season.