Strictly speaking, Bitter Sea's initial research into the Heavenly Demon project had been launched by only a few Nascent Soul Realm cultivators—after all, Bitter Sea never lacked madmen.
In terms of research scale, they were nowhere near comparable to Red Leaf Ridge.
Whether in manpower, resources, or influence, the cooperation among these three factions far surpassed Bitter Sea's meager handful of people and supplies.
At Red Leaf Ridge's urging, the three factions did not reject maintaining appropriate exchanges with Bitter Sea.
Heavenly Demons were the common enemy of cultivators, so everyone ought to share information and resources.
At the beginning, Bitter Sea had even looked down somewhat on these three factions for following the trend.
They had dared to withstand immense pressure and launch this nearly anti-human research, so they naturally had their own ideas and insights.
When it came to research, Bitter Sea had never feared anyone—so what if it was Red Leaf Ridge? Those skilled at killing Heavenly Demons were not necessarily skilled at researching them.
However, as they gradually learned more about Red Leaf Ridge's research project, they became increasingly convinced.
The scale of manpower and resources invested only made them envious, but the sheer ingenuity of the research approach... they had no choice but to concede! Thus, on this visit, they hoped not merely to exchange information and resources, but to pursue comprehensive cooperation.
For Bitter Sea, adopting this kind of cooperative arrangement with outsiders was truly exceedingly rare.
Everyone said Bitter Sea was full of madmen, but people capable of such obsession generally possessed pride of their own! There was no need to elaborate on the details. In any case, Bitter Sea's minimum demand was for both sides to send observers to each other.
However, Qi Ya still refused. She stated that cooperation among three