Did I say VERBOSE, exactly like I suggested - I didn't.
No offense, you are way over your head!
Start over and set up the simplest config as I suggested in my first response.
You are not equipped to complete a complicated install, or correct a borked one.
My instructions were intended to be tailored by YOU to the specific situation!!!
Prior to my posted sequence you would have arranged with set the location of these elements. The '#' commands are at a tty once booted. Blindly trying commands is not a good sign that I can infer a solution. Every time I've done a rescue there are slight variation of location and kernel names, etc.
Search the webs if you'd like to learn initramfs and grub rescue methods.
I apologize I offered advanced non-specific advice. Good Luck.