I lost count of how many times Muzan had this 'Oh my God, they could slaughter me and not even break a sweat... they make me look like a chump...' look in his eyes.
Uppermoons in KNY Had no Chance against Vergil He Would Separate them Permanently including Muzan Vergil Would Seen the So Called demon king sending him into the Sun of his Opening Portal
Dante: i can do better...devil trigger moonwalk