It's the Age of Declining Spiritual Energy, and You Want Me to Cultivate Immortality?

After fainting during his first martial arts practice, Wei Xu wakes up to find that he has awakened memories from a past life and that he already has a System by his side. Just as Wei Xu thinks the System will help him reach the pinnacle of life... In this age of declining spiritual energy, when everyone else is devoting themselves to martial arts, the System tells him to cultivate immortality. For a moment, Wei Xu is ready to leave the useless System gathering dust in a corner. But as he lies in bed, he suddenly hears a voice. 【Congratulations, Host, on claiming a blessed cave abode】 【Reward: One bottle of Qi-Guiding Pills】 【Reward: One Saint-tier Spirit-Gathering Array (Spirit Storage)】 【Reward: One copy of the Jade Pool Immortal Scripture】 In life, I cultivated no good karma, only killing and arson. The tide of spiritual qi revival has come, and only today do I know who I truly am.