There may be other covenants spoken of in the bible, but the only one that totally secures freedom from condemnation is THE New Covenant.
People who are forgiven, are said to be born again.
Rom. 8:9 says that "if anyone have not the Spirit of Christ, he is none of his."
John 14:17, "for he dwells with you, and shall be in you." - speakng of the essence of God personified as the Holy Spirit
He that hath the Son hath life; and he that hath not the Son of God hath not life. - 1 John 5: 12
There is only one access to Jesus and to "life" ...and that is the blood covenant, aka the new covenant.
The path and hope for humans isn't found in some creed, ideology or belief system, ultimate truth isn't revealed in a stand-alone context, and life cannot be attained by any means aside from the new covenant. " In whom we have redemption through his blood, the forgiveness of sins" - Eph 1: 7
Thomas once inquired as much when he asked: 'how can we know the way? 6 Jesus saith unto him, I am the way, the truth, and the life: no man cometh unto the Father, but by me.'