Eclipsing the Sun

You, now known as Wen Duzhe, after transmigrated into the Grandmaster of Demonic Cultivation as a cousin to Wen Qing and Wen Ning as well as a blood relative to Wen Ruohan, will diverge canon. With your knowledge of the book and a previous career as a botanist focusing on poisonous plants, you have a plan in mind for...