The Violet siblings had used human genes to modify their bodies so that they could obtain potential similar to humans. They had indeed benefited a lot from it. However, having a human body came with all the human characteristics, such as the human acupoints.
With the Violet siblings' abilities, of course, they could solve these problems. However, if they got rid of all the acupoints, they would no longer have a real human body and their human potential would also be greatly reduced. Therefore, they would still try their best to maintain their human forms.
Although there was a huge difference in cultivation level between the two Gods of Wine and the Violet Princess, they were Paragons after all. Furthermore, they were very experienced Paragons. With the two of them working together, coupled with assistance from the Keeper and the Bookworm behind them, the Violet Princess felt as if her internal organs were on fire. She was showing signs of being injured.