Survival in the Deep Sea: I Can Graft Everything

[Deep Sea Survival + Cthulhu + Farming + Upgraded Base + Decisive Killing + Not Invincible] The sun goes out, the surface of the earth is frozen forever, and the last fire of mankind dives into the deep sea, constantly migrating between the geothermal "oases" on the seabed. Lu Yuan, who struggled to survive in his previous life, returned to the beginning of the apocalypse and awakened the [God-level Grafting] system. An ordinary sonar conch is grafted with [Echoing Coral] and transformed into a beyond visual range "spiritual detection field". A dilapidated one-man submarine was grafted with [Pressure Archaea] and evolved into an "abyss fortress" that can withstand 10,000 meters of water pressure. While other survivors were desperate for a bite of synthetic protein, the luminous algae in Lu Yuan's mobile base had achieved self-sufficiency in energy, and the ecological fish cabin began to provide stable food. But the real terror comes from the abyss of the seabed - the "lightless tide" that swallows up all light and reason. Pollution, aberration, madness... The monsters in the tide cannot be killed by conventional weapons. Only the extraordinary who listen to the "echoes of the past" can ignite a glimmer of light in the dark depths. Hundreds of mysterious deep-sea powers, hundreds of strange ancient relics...