(Eternel Security is the famous name for the demonic "Once saved, always saved" doctrine, which tickles the ears.)
1 John 5:16-17 "Sin not unto death".
The Old Testament demanded death only for some specific sins. Not every sin.
Some sins were called "an abomination", but not all.
The O.T. people understood that there are some sins that can cause people to not enter Paradise, even if the person was previously righteous.
Ezekiel 18:24-29 If a righteous falls away and commit sins unto death, the 2nd death will come to them if they don't repent.
We will also discuss the prophetic dream report sent by Apostle Ehud, concerning the Ukrainian Russia war going nuclear.