Because the next Secret Realm would not open for at least another decade, at that point, Zhou Yun Feng's lifespan would only be about twenty years left. Even if his foundation was replenished, it would be pointless.
After some discussion among the sect's higher ranks, they agreed to this request. As Lin Yi said, this could be Zhou Yun Feng's last hope.
They certainly did not want to incite the protest of the Golden Sword Peak Disciples or invite the dissatisfaction of Gold Sword Zen Ren by refusing this request.
After the Liu Yun Sect announced these two options, the leaders of the Nine Major Sects couldn't help but sneer. Last time, it was just a disciple of the Liu Yun Sect speaking about Zhou Yun Feng's achievements and praying for Heaven Pills.
Now, they have extended the scope to all sects, including the Path of Demonic Sects.