It wasn't that he feared the Eternal One Sect obtaining the complete version of the Eight Gods Blade and becoming a threat to the Green Lotus Sect.
The Eight Gods Blade was indeed powerful, but the Green Lotus Sect had secret techniques that were even stronger than that, and not just anyone could master the Eight Gods Blade.
Sect Leader Qing was reminded of something his grand-uncle had once told him.
He had asked his grand-uncle about the chances of Elder Yen Mah fully mastering the Eighth Strike of the Eight Gods Blade.
He still remembered Master Lian's response.
"The Eight Gods Blade is indeed powerful, but it's not suitable for continuous practice," Master Lian said while standing on the top of the mountain, blending with the snow-covered world around him.
"But Elder Yen Mah practiced the Eight Gods Blade for nearly ten thousand years and didn't have any problems."