I'm Serious About Being the Devil

"Sin Karma Qiongqi was originally the fifth eternal deed seal in the curse book of the magician. Because the conditions and medium for casting the spell were too harsh, it has only been used as a reference for black spells and has never been actually performed by anyone. However, after the establishment of the upgraded system, this spell that only existed in theory was lowered and included. However, even so, among all the known upgraders, only Shen Ping has completed this extremely high-level god-like object. Others don't know, but based on my observations of Shen Ping over the years, Sin Karma Qiongqi absorbs the darkest desires in the human heart and swallows all resentment, anger, pain, despair, jealousy, sadness, and greed as food, and can grow almost without limit..." "So, how did Shen Ping collect negative emotion points in the past?" Shen Ping interrupted in a calm tone. "Maintain school ethics."