I hope you never stop doing this
If you deep it he cut off the heavenly sects arms first then their heads because they were unfazed so it's 1 arm per member
There's 21 groups in the forces of justice and the blue sky brotherhood is made up of around 15 of em if we say each family has at least 500 warriors then that's 500x15 = 7500 warriors 1 arm each or 7500/2= 3750 arms
Bro I'm no matematician I'm just counting what I see
38-39th arm: Both hand of Flame Blade Sect Leader ripped off by MC in chapter 236
Total count: 41 arm cut off by MC
27 arm cutt off by others
68 arm cut off in total
One arm is cut off on an evarage of 3,47 chapter