''I don't know what the end is that the declaration refers to. There is no end to forever and ever''
What does your bible say about it?
''...for I am God, and there is no other; I am God, and there is none like Me. 10 I declaretheendfromthebeginning, and ancient times from what is still to come. I say, 'My purpose will stand, and all My good pleasure I will accomplish.''
''How do they relate to the 2 only options regarding free will in the biblical narrative?''
What exactly are you talking about when you sa ''the only two options regarding free will in the bible?''