I exceedingly love the dramatic guitars and choirs!!!!
I think I'd bite for a vocal line (and/or with my 'choirs'), hook, lead section, etc., if there were 'starting' hook lyrics ... though I'd lull into the ('deceived') believer camp with emotive anti-anti-faith bias, IYKWIM. :):):)
Another recommendation is Danny Danzi (a "believer") ... who oft likes to start fresh like this and seems broad minded. Like ... he can anticipate better your thoughts and lyrics before you write them.
You might solicit a duet ... believer vs non-believer ... or such. PM Danny and/or me if interested. Many rock stars here are non-theistic, IIRC.
Of course, having a raging, railing, Evolution vs. Creation debate would probably be futile for both camps ... so ... some tentative lyrics or vocal hooks, my friend, would help our lead antics ... like:
"God or no god ... I'm stuck down here!"
"The war around me ... makes me fear"
"The bloody screams ... the devil's sneer"
"Will God save me ... Is He near?"
Etc.