Was the most drastic drop in overall wulin martial arts level during the transition from the end of the Ming Dynasty to the beginning of the Qing Dynasty? The discrepancy in overall martial arts level between SWORD STAINED WITH ROYAL BLOOD and DUKE OF MOUNT DEER seems quite drastic, but was the drop between DOMD to BOOK & SWORD: GRATITUDE AND REVENGE/FLYING FOX OF SNOWY MOUNTAIN (mid-Qing era) even greater?