Bro just got all perfect on the hardest difficulty while simultaneously pumping his fist to the song and creating ASMR. Whilst I struggle to get a full combo on hard difficulty
Playing expert songs will improve your stamina and accuracy tho, you should try to not get stuck in your preferred difficulty for too long if you want to improve, if you can pass 25+ expert & get very close to fc you will mostly full combo any song on hard now
I wouldn’t say APPEND is the hardest difficulty, marble blue and the new 37 might be hard but I would still say the elder master chart (The EmpErroR , Jinsei what’s up pop, yaminabe , even MGPD) is significantly harder