Thats not an answer to the question.
You claim that those 15 things are needed to be saved.
IOW, Jesus death on the cross is not enough.
What if someone gets all but one?
God says, Tsk, tsk, tsk, too bad. No heaven for you.?
I did NOT say that "A total of 15 things are needed to be saved," as if this were a test requiring a numerical passing score. What I did say, which is quite verifiable and unobjectionable, is (exact quote) "How Scripture proclaims we are saved".
Every one of those citations of Scripture answers the question, sometime explicit in the text, "Lord, what must I do to be saved?" - "Lord, what must I do to gain eternal life?" - or even the straight assertion, "The Kingdom of Heaven belongs to such as these."
All of the items listed in that post are parts of ONE THING, which is how Christ saves us through faith.
Whatever I say,myself, is sure to fall short. But I think the Scriptures themselves are pretty clear. And I could have doubled the number of verses: the Scriptures on "how we are saved" are just so rich. Altogether, they make for beautiful reading, and much reason to glorify Christ our Savior and our God.
Examining Scriptures, How Scripture proclaims we are saved:
By believing in Jesus Christ (Jn 3:16; Acts 16:31)
By repentance (Acts 2:38; 2 Pet 3:9)
By baptism (Jn 3:5; 1 Pet 3:21; Titus 3:5)
By eating His flesh and drinking His blood (Jn 6)
By the work of the Spirit (Jn 3:5; 2 Cor 3:6)
By declaring with our mouths (Lk 12:8; Rom 10:9)
By coming to a knowledge of the truth (1 Tim 2:4; Heb 10:26)
By works (Rom 2:6-7; James 2:24)
By grace (Acts 15:11; Eph 2:8)
By His blood (Rom 5:9; Heb 9:22)
By His righteousness (Rom 5:17; 2 Pet 1:1)
By keeping the commandments (Matt 19:17)
By our words (Matt 12:37)
By compassion toward the needy (John 10:25-37; Matthew 25:31-46)
By enduring to the end (Matt.24:13)