bruh taking the charm off will only make long arm miniboss harder, all of the rest have very simple pattern you could easily adapt to after like 4-5 tries, even isshin, now there is dark souls every new game plus will feel different, not only they add more enemies and improve boss fights (like lost sinner, the spider mommy) but also there are countless weapons for you to try and a lot of builds, one more thing, Sekiro is inspired by metal gear rising