Travel Through Time to Cultivate Immortality and Obtain a Krypton Gold System?

[No cp + non-traditional cultivation + system] Because of her irregular life, Lin Qingyue traveled from a modern landlady to a family of immortal cultivators - the Lin family. Because of a chance, I got a system exclusive for time travellers. It was not just a little assistant of the krypton gold system. "Ding" "Your system assistant is online" With invincible luck, he passed five levels and killed six generals, becoming the strongest in the world and invincible. But due to the invasion of some outside creatures, I decided to ascend to the fairy world... Start the protagonist's journey of cultivating immortality. The protagonist is purely egoistic and has no kindness that touches his own interests.