When I think of maturity I think of this passage:
Ephesians 4:13-16
13Till we all come in the unity of the faith, and of the knowledge of the Son of God, unto a perfect man, unto the measure of the stature of the fulness of Christ: 14That we henceforth be no more children, tossed to and fro, and carried about with every wind of doctrine, by the sleight of men, and cunning craftiness, whereby they lie in wait to deceive; 15But speaking the truth in love, may grow up into him in all things, which is the head, even Christ: 16From whom the whole body fitly joined together and compacted by that which every joint supplieth, according to the effectual working in the measure of every part, maketh increase of the body unto the edifying of itself in love.
Yes
It covers a large spectrum.
And touches many things.
For example, the passage, "can a tree bring forth good and bad fruit?"
There is a pointing to purity .
There is a goal of heaven to take out spots and wrinkles that we may walk in the complete wholeness of heavens intention.
We deny the flesh, we fast to destroy it, we put on the armor to push temptation and demons back.
To bring us into completeness and wholeness a mature servant.
That , outside the work of the cross and His blood is a process of " perfecting" the saints for ministry.
Our standing and covenant are on the basis of covenant and the blood.