Three stages in the bible to only baptism that yields salvation :-
1 John 5:6 This is he that came by water and blood, even Jesus Christ; not by water only, but by water and blood. And it is the Spirit that beareth witness, because the Spirit is truth
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1 John 5:8 And there are three that bear witness in earth, the Spirit, and the water, and the blood: and these three agree in one.
understand then baptism of water, spirit , and fire [often to the death, the 'blood', sacrifice of life by saints for sake of Love of God and His Truth of Love]
Luke 3:16 John answered, saying unto them all, I indeed baptize you with water; but one mightier than I cometh, the latchet of whose shoes I am not worthy to unloose: he shall baptize you with the Holy Ghost and with fire: