Bibles influenced by Wesscott-Hort eg Rom Cath, NASB & others, page-6

Re the KJV, according to the Inter, the words "the fire" are not even there.

No descendants to pass through to Molek

Molek: a heathen god to whom Isr. sacrificed children

Original Word: מֹלֶךְ
Part of Speech: Proper Name Masculine
Transliteration: Molek
Phonetic Spelling: (mo'-lek)
Definition: a heathen god to whom Israelites sacrificed children

So that doesn't appear to align with your message ?