@Luciferchicken Right right, sorry for rambling. The reason Alpha and Omega didn't initially work is genuinely because of Divine Power. Now I'm going to seperate this next part to avoid possible spoilers, but--
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Alpha--the white hole, and Omega--the big black nuke, are at first glance genuine replications of Black and theoretical White holes. But there is more too them, because Y/n's demonic trait is gravity. Not regular telekinetic powers, no, the actual fundamental one. And for that reason, there's actually more to be said about it...
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Now like I said, Divine power stopped it, as Divine Power's ability to affect "principles", more or less negged what Y/n did. Now why it started working again, well there's a half n half here to be taken into account.
When Y/n ate the hearts of the gods he fought, he gained their strength, their abilities, souls, etc--but most importantly their divinity, their authority over their personal domains. This resulted in him not just amplifying his raw strength and speed, but also his magical powers. Aka, he's a console with a new firmware update. Aside from just running better, everything he could do got BETTER.
And secondly, because he could actually stand ahead of most deities now, as much as the playing field became even, people such as Horus and Set still exists. And while both Alpha and Omega became stronger, not by a direct numerical value, but in control and application--it didn't mean Y/n could one shot individuals such as Chief Gods.
More or less, the divinity changed the nature of the battle, but not the battle itself. It evened the playing field to a degree.
4. As for the power ups themselves. I won't lie, half it is just due to me being interested into crafting this Typhon like figure after I looked back into Aztec myths, and the other half is because it could show internal and out how inhuman Y/n was becoming.
Lastly, I'm going to take this as a heads up to improve. So thank you.