Then there was no need for the cross.
It is not the physical or material that saves; it is the spiritual.Or for Christ to become man at all for that matter.
Then there was no need for the cross.
Read Hebrews 10. There is no more need for sacrifice. Christ's sacrifice was sufficient and finished on the cross.
It is sown in dishonour; it is raised in glory: it is sown in weakness; it is raised in power: It is sown a natural body; it is raised a spiritual body. There is a natural body, and there is a spiritual body. And so it is written, The first man Adam was made a living soul; the last Adam was made a quickening spirit. Howbeit that was not first which is spiritual, but that which is natural; and afterward that which is spiritual. The first man is of the earth, earthy; the second man is the Lord from heaven. As is the earthy, such are they also that are earthy: and as is the heavenly, such are they also that are heavenly. And as we have borne the image of the earthy, we shall also bear the image of the heavenly. Now this I say, brethren, that flesh and blood cannot inherit the kingdom of God; neither doth corruption inherit incorruption." -- 1 Corinthians 15:42-50"So also is the resurrection of the dead. It is sown in corruption; it is raised in incorruption: