In "The lord of the flies", what does the Sow's head symbolize?

Explanation:

The sow's head was known as a symbol of “ The lord of the flies” it's the symbol of the dark side, very savage, evilness and chaos civilization on the island.

dramatic irony occurs when the reader/audience knows more about a character's situation than the character does. the one main effect is that it gives the reader a sense of superiority, or detached superiority. the reader not only seemingly discovers what is revealed, but feels superior for doing so.