What did Simon see in the pig head's eyes?

Answer 1

The Pigs head tells Simon to forget trying to help the People that are "good" .

It gives him an option.

To Join Jack and the hunters, or face his anger.

The Pig's head is the Lord of the Flies, or the devil.

Page 138 "at last Simon gave up and looked back; saw the white teeth and dim eyes; the blood- and his gaze was held by that ancient, inescapable recognition."

He taunts Simon

Page 143

"Well then," says the Lord of the Flies,"You'd better run off and play with the others. They think you're batty. You don't want Ralph to think you're batty, do you. You like Ralph a lot, don't you?And Piggy, and Jack?"

"come now," said the Lord of the Flies."get back to the others and we'll forget this whole thing."

"This is ridiculous. You know perfectly well that you'll only meet me down there- so don't try to escape!"

Page 144

"I'm warning you. I'm going to get angry. D'you see? You're not wanted. Understand? We're going to have fun on this island! So don't try it on, my poor misguided boy, or else-"

Answer 2

Simon sees that it was truly the minds of the kids themselves making up what they called a "beastie". That the whole idea was that it was them.