After a while, the purple dragon soul handed a long scalpel to the Azure Dragon moodily.
Fang Ning whispered to the System. "Look at that long face, I wonder what happened."
"I don't know either. We only wanted one extra book. Does it have to brood over this?" Sir System snorted.
"Exactly." Fang Ning agreed. "The book is of no use to it anyway. How many times can this thing be used?"
"Alright, Great Venerable Dragon God, your scalpel is ready, but please try to avoid a C-section and attempt a side cut instead. If there's a lack of hardship in the birth of the world, its potential for growth will be limited in the future." The purple dragon soul said weakly.
"Huh, you're knowledgeable about this. I'll try." Fang Ning nodded in agreement.
What followed next was a series of indescribable procedures. Sir System got some flesh and scales from the Rainbow Dragon's body. They were actual flesh of the True Dragon and had a long history.