The blood of Christ gave eternal redemption, everyone He died for the penalty of their sins is gone Heb 9:12
12 Neither by the blood of goats and calves,
but by his own blood he entered in once into the holy place, having obtained eternal redemption for us.
That word redemption lutrósis means:
(in the Old Testament: ransoming from imprisonment for debt, or from slavery, release from national misfortune, etc.), liberation, deliverance, release.
- deliverance, esp. from the penalty of sin
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H6306 (פְּדוּת, peduth): Refers to ransom or redemption.
Usage: In the New Testament,
"lutrósis" refers to the act of redeeming or the state of being redeemed. It conveys the idea of liberation or deliverance, often through the payment of a ransom. This term is used to describe the spiritual deliverance that believers receive through the sacrificial death of Jesus Christ, who paid the price for humanity's sins.
It provides/gives liberation from the power of sin, unbelief and the penalty of sin