A Puzzle to cause headaches and long midnight discussions
To intrigue and deceive
It WILL instill fear into it's foes
And nurture it's allies
Make friends not enemies
It could help to keep your cool
And when all other avenues are lost
Sorry but TRY AGAIN

Congratulation to GJMMelb for their FTF without any help on the puzzle.

You can validate your puzzle solution with certitude.