A World Where I Can't Build a Foundation

[Simulator + Cthulhu + modern cultivation + traveling through the past + invincibility + traditional fantasy] Spiritual energy revives, strangeness descends, and demons appear. When someone suffers, someone comes to rescue them. Everyone thought that this was a time of great strife. Then he practiced hard and tried to catch up, but discovered a shocking secret. "There is still a glimmer of hope for building the foundation, but there is no life for the pill formation. If you insist on achieving Nascent Soul, everyone in the world will kill you. "