I have a Miracle Hood, Royal Jelly Shield and Vog Cub Coat.
How is the total defense calculated on these items? Does it take all the values in and then divides them? Or is it using the highest values out of all the items?
My Shield does not seem to have any effect on the defense values.
You can view a visual representation of your total defense on your Knight's info window, by hovering over the first icon on the Loadout Summary. I believe the total defense is simply a sum of all defense values. (These bars may seem lower than the actual values given on the individual equipment, but I'm guessing this is only because the bars are scaled to fit the total width.) Though, we have never been given strict numbers as defense values, only the visual representation via coloured bars. Numbers would be nice, as many of us have said many times before.
Also, I believe the defense values of shields only come in to play when you are blocking with them, i.e. your shield will last longer against the types of damage it has defense against.