Armageddon is in Revelations; Rev 16:16.
Rev 16:16 And2532 he gathered them together4863, 846 into1519 a place5117 called2564 in the Hebrew tongue1447 Armageddon.717
G717
Ἀρμαγεδδών
Armageddōn
ar-mag-ed-dohn'
Of Hebrew origin [H2022] and [H4023]; Armageddon (or Har-Megiddon), a
symbolical name: - Armageddon.
H2022
הר
har
har
A shortened form of H2042; a mountain or range of hills (sometimes used figuratively): - hill (country), mount (-ain), X promotion.
H2042
הרר
hârâr
haw-rawr'
From an unused root meaning to loom up; a mountain: - hill, mount (-ain).
If you use the Websters definition;
Etymology: Greek ArmageddOn, HarmagedOn, scene of the battle foretold in Revelations 16:14-16
Date: 1534
1 a : the site or time of a final and conclusive battle between the forces of good and evil b : the battle taking place at Armageddon
2 : a usually vast decisive conflict or confrontation
The Scriputres know nothing of an "END of time" or "The Battle OF Armageddon."
I believe Ray's saying the Scripture know nothing of a final and conclusive (end of time) battle (Battle of Armageddon) between the forces of good and evil as some are taught in the world.