We'll play by their rules and restrict ourselves to citing Bible verses.
Papal Primacy:
Matthew 16:18-19
>And I tell you, you are Peter ("caipha" in Aramaic), and on this rock (also "caipha" in Aramaic) I will build my church, and the powers of death shall not prevail against it. I will give you the keys of the kingdom of heaven, and whatever you shall bind on earth shall be bound in heaven, and whatever you loose on earth shall be loosed in heaven.
Luke 22:24-32
>[A]s my Father appointed a kingdom for me, so do I appoint for you that you may eat and drink at my table in my kingdom, and sit on thrones judging the twelve tribes of Israel. Simon, Simon, behold, Satan demanded to have you (Gr.—humas, plural—“you all”), that he might sift you (Gr.—plural again) like wheat, but I have prayed for you (Gr.—sou, singular—Peter alone) that your faith (Gr.—singular again) may not fail; and when you (Gr.—singular) have turned again, strengthen your brethren.
John 10:16
>And I have other sheep that are not of this fold; I must bring them also, and they will heed my voice. So there shall be one flock, and one shepherd
Acts 15: 1-12
>The apostles and elders were gathered together to consider this matter. And after there had been much debate, Peter rose and said to them, “Brethren, you know that in the early days God made choice…that by my mouth the Gentiles should hear the word of the gospel and believe…we believe that we shall be saved through the grace of the Lord Jesus, just as they will.” And all the assembly kept silence…
The Eucharist is Jesus' Body and Blood, Soul and Divinity
“Then Jesus said to them: Amen, amen I say unto you: Except you eat the flesh of the Son of man, and drink his blood, you shall not have life in you.”
[John 6:54] Read this in context and it's more clear. This is after He says this and people turn away. Rather than clarify, He doubles down. Video here: youtu.be
And so much more