Awakening of the Devouring Spirit System at the Beginning

The apocalypse is coming and zombies are running rampant. Lu Zhao discovers that he can actually devour zombies' spiritual power to practice and upgrade. While others struggled to survive in the wasteland, he built a Zombie Tide Sect and refined thousands of zombie disciples. While major bases were still scrambling for supplies, Lu Zhao had already led his zombie disciples to begin rebuilding the civilization of immortality. However, as his cultivation level improved, he gradually discovered that behind this apocalypse, there was a huge secret that connected to other worlds...