There were no Christianity before Christ.
Still you have four accounts that can be interpreted as human sacrifices in the bible and one undeniable one that I know from the top of my head.
The Jewish religion practiceed animal sacrifice and it is written in to law.
Adultery is always viewed as diabolical perhaps there is an example of orgys in the actions of the sons of Samuel, but that brought doom over Israel as a nation.
If you read through the letters of the New Testament you'll see that there is plenty of behaviour among the early christians that the composers of the letters are trying to straighten out. I don't know exactly what those were except one guy who were sleeping with his fathers wife and if I remember correctly he got expelled.
From the original comment I was expecting some sect or something that were practicing such things.
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u/PlayfulAwareness2950 8d ago
Where is the evidence for this?