There is no end to Freemasonry as it is an order ruled by non-physical beings on higher planes that established that order here on Earth, and it sure will live on as long as Earth lives on.

Ascension, in its true sense, is simply to be aware and conscious at time of Death. You must prepare for this. My next book is called "Life: A Preparation for Death" and will go into more details on this topic.

Not sure what you mean with the "transcendants", please be more specific and perhaps I can give some info..

3 days of darkness, apparently is a human made deceit and not a real thing. Certainly you do not need to worry about it in your life.