That being said, I've followed what you said:
1) I put unren in root of a different game, the urm mod in the game folder (of the same different game), extracted the rpa with unren. I obtained the folder in the game folder.
2) Took the newly created folder in the other game, copied it in HoS game folder.
3) With the game open and urm too, I cannot find any of the variables that needs to be changed (the ones you screenshotted)
I (We) appreciate the help!
Here's how the game folder of HoS is looking :
View attachment 5017502