Write a story with an included prophecy. The prophecy ultaimtly suggest the main charater will win for the good.
When things are almost complete open the hidden twist.
Hidden Twist
Rewrite the prophecy so that the main character will intranet it as they win, when it means the evil will win.
Write a story where the main character has a role model and would do anything for that role model.
When the story is almost complete
Hidden Twist
Have the role model betray the main character.
How does this affect the main character?
Would the evil role model win, or would the main character fight the role model?
Write a story about a normal slob in the world, and their fight to get to the top.
When they get to their goals open hidden twist.
Hidden Twist
Show just how much further others have gotten around them.
Write a story about someone that has the most rotten luck of anyone in the world. Then resolve the story with all those bad twists of fate leading to something even better than all the bad twists of fate.
Write a story in which the bumbling hero goes to save the lovely princess
Open hidden twist just before the hero is about to save the princess.
Hidden Twist
The hero ends up having to get saved by the Princess
Write a story in which the main character has deep convictions, and beliefs in what they are doing to change the world.
Open hidden twist just before the main character succeeds in what they are doing.
Hidden Twist
The main character is actually not the good guy in the story, write your ending as such.
Write a story that has a hero, a damsel in distress, and a evildoer that the hero must defeat.
When you get to the climax where the hero is to defeat the evildoer open Hidden Twist below
Hidden Twist
The evildoer is defeated by banana peel.