I Sacrifice Six Billion at the Beginning. I Am the Immortal Emperor and I Am Invincible.

[Cultivation of immortality + spiritual energy recovery + dual main lines + invincibility + protector + single female protagonist] Ling Yu was sleeping normally in high school class and dreamed of extraterrestrial gods breaking through space and trying to occupy Blue Star. But just after he transformed into the Immortal Emperor, he was able to block the mighty foreigners all by himself, leaving only his back to the world, which was a lot of fun. Unexpectedly, the alien gods actually arrived! And just when he wanted to escape, the system woke up! System: Congratulations to the host for awakening the Invincible Immortal Emperor System! Sacrifice 1 billion people and achieve the Mahayana period! Sacrifice 2 billion people to achieve the tribulation period! … Sacrifice 6 billion! Achieve the Immortal Emperor Realm! Ling Yu:? ? ? Damn it, this system is a villain, right? ! System: Just ask if you want it! Ling Yu: It's full! Sacrifice! Sacrifice 6 billion to me! By the way, I have a question about the system. Will only sacrificing 6 billion affect the foundation of my Immortal Emperor? System:? ? ? ? ? ? ? ? ? —————————— Improve Blue Star's overall luck, and you can obtain magical arts, cultivation, spiritual treasures, spiritual weapons, and fairy weapons when you reach certain targets! Congratulations to the host for achieving the target. Blue Star has a total of 10,000 foundation building periods, 100,000 Qi refining periods, and is rewarded with the Kunpeng magic... Congratulations to the host for achieving the target. Blue Star has a total of 100 golden elixir stages, 100,000 foundation building stages, 1 million Qi refining stages, and is rewarded with the Qilin Holy Claw... … Congratulations to the host for achieving the achievement of universal immortality! Reward the title of Emperor of the Immortal Realm! Ling Yu: What? Just reward a title? Come on, System, come into my Ten Thousand Souls... Bah... Sit in the Human Emperor's flag!