Even with Arishem and the Eternals watching over them, the odds of a Celestial being successfully born were still extremely low. Some died in the womb, while others grew crookedly—for example, Star-Lord's father, Ego, had grown until only a brain remained.
Basically, the Celestials only gained one new member every billion years. That was why their numbers had always remained low.
"The Earth Celestial is very lucky. It is growing healthily in the planet's core and will be born soon."
Thanos looked at Arishem and said, "The problem is that neither Sorcerer Supreme Ancient One nor the Mechanical Demon King will allow the Celestial to be born, because once it is, Earth will be destroyed.
Arishem, my purpose in coming to you is simple: I want to borrow troops from you to kill the Mechanical Demon King and Ancient One.
The Mechanical Demon King is conquering Hell right now. This is the best opportunity, and also the last.
Once the Mechanical Demon King becomes the Lord of Hell, I dare say that even you may not be his match."
Arishem said, "That is fine. We Celestials usually attack together."
Thanos's mouth twitched slightly. This guy said something so shameless with such utter righteousness?
Arishem thought for a moment and said, "Actually, I have been keeping watch over Earth for nearly a billion years. Tiamut must be born successfully.
I originally planned to go to Earth personally and negotiate with the Mechanical Demon King and the Sorcerer Supreme, asking them to surrender Earth."
Thanos said, "The Mechanical Demon King and Ancient One will never give up Earth."
Arishem said, "They will, because I will bring the other Celestials with me. We are very good at persuading people."
Physical persuasion?
Thanos mocked inwardly. This old bastard perfectly embodied the meaning of shameless