What Dramatic Irony is
Dramatic Irony occurs when a reader knows more about the story than the character.
Shrek is coming for lord farquad.Lord farquad does not know shrek is coming for him.
Spoderman does not know there is a human world.
But the human world knows that there is a Spoderman.
The mailman does not know that Ian is going to ambush him.
But Ian and the reader knows.
Pictures for the examples
Dramatic Irony not garanteed always dramatic.
Dramatic Irony doesn't always have to be dramatic.