"Very successful," Qing Yu noted with an even wider smirk, feeling the Sword Qi coursing through Yun Zheng's body.
Yun Zheng believed that the Sword Qi was accidentally cultivated by himself, a result of fortunate blunders.
But in this world, there were not so many fortunate blunders, nor was everyone the protagonist of a novel. The Sword Qi was fully infused into him by Qing Yu.
The Sword Qi would, following the flow of Yun Zheng's Pure Yang True Qi, steal his cultivation technique. Moreover, the True Qi that Qing Yu had transmitted into Yun Zheng's body would also infiltrate his Hidden Meridian, subtly guiding his mind in the shadows and planting the Demon Seed.
This was a new type of control method, combining the Dao Heart Demon Planting Great Method, Black Heaven Book, and Ten Thousand Paths, which Qing Yu called "Demon Seed·Revised."
Cough cough... The name might be a bit lame, but that's because Qing Yu has never been good at naming.