John Campbell's monolith from his book The Power of Myth, is an in depth explanation of the story arcs associated and common with hero characters. This web site offer insight into what the monolith is, how its aspects are use in a story and to identity the monolith in popular media.
Basic Layout:
The Call to Adventure:
A Piece of information brought by a person, thing, or god that requires the heroes attention
Refusal of the Call:
Often the hero will not want to come to the call of adventure Their reasons could be many from fear obligation duty or sense of inadequacy.
The Crossing of the First Threshold
The crossing of the first Threshold is the point where the hero starts off on his adventure venturing into something that is unknown or dangerous to them.
Belly of The Whale
The belly of the well is the point of no return in the adventure at this point they Carol can no longer go back to the way things were in the beginning this is an important stage And the story because it is when I feel will start to undergo a metamorphosis to who he is now two who he will be calm at the end.
The Road of Trials
The Rhoda trials is a series of tasks tasks or deals that a person must go through in order to Iver been begin their transformation or to accomplish the tasks that they set off on the venture for this is usually the biggest part of the story the meat of it
The Ultimate Boon
Finally after the Rota trousers done the hero receives the ultimate boon which is Iver accomplishing their task or gaining an object of power or Completing their metamorphosis.
Return
Then after the adventures over the hero comes home in the return the hero can do several things they hero can die a hero can escape with the Boon the hero can set out on another quest what a hero might become what is known as the master to world what a hero which is a state Of enlightenment that came from the journey.
There are many different combinations of The Monolith but is important to understand the basic structure for example mess my head parts where there's a meeting with the goddess while sci-fi might have A character literally become something else that they were in the beginning. However this is just the basic outline of the Monolith.