Cultivation Automatically Improves. Do You Call This Useless Material?

In Xiaoyao Continent, all races are declining and spiritual energy is exhausted. All races fought fiercely for spiritual energy. Jiang Yu, a young man, was originally a good-for-nothing, but when fortune came to him, he was bitten by a spiritual beast and his cultivation level was automatically improved. I wanted to keep a low profile and cultivate immortality, but the major forces frequently found trouble! Jiang Yu said, although I just want to be a salted fish, you just can't defeat me!