Panel one, top left sixth of page:

One knight runs up to John's dad, swinging his sword down at him. John's dad catches it between the prongs of his trident. 

Panel two, top right sixth of page:

With a quick twist, John's dad disarms the knight. As he does so, another knight wraps the chain of his flail around the trident, in an attempt to disarm him.

Panel three, middle left sixth of page:

John's dad lets go of the trident, allowing it to be pulled out of his hands. As this happens, he grabs the hammer off his back. He is now encircled by knights.

Panel four, middle right sixth of page:

John's dad smacks a knight in the chest with his hammer, knocking the wind out of him. 

Panel five, bottom left sixth of page:

The knight who just got hit falls to his knees. Another knight runs up behind John's dad and slashes the back of his knees with his sword.

Dad: "Argh!!"

Panel six, bottom right sixth of page:

The mob encircles John's dad closer as he collapses to the ground.