"Yes, that's it." Jacob nodded.
Since the appearance of the ancient world in Farburg, the whole world had gone crazy, and the area inside was constantly expanding. That ancient world was exactly the same as the Earth's situation during ancient times. The time it existed was the time when those ancient powerful figures also existed.
Scientists called the elixir of the demonic beasts crystal cores, while cultivators called it the elixir. They just had different names, but they were the same thing. Now, the demonic beasts inside were divided into different ranks.
"The people of the True Martial Arts family need those things. Why don't they do it themselves?" Karen was confused.