Giants do not have it unless they wish to, and among them it is rare. Giantesses have Honour more frequently than giants, but it is still, for them, an optional passion. Giants might, in theory, be chivalrous, as might giantesses. This would be exceedingly rare. This reflects her ability to bring in catches, if a Ui Net, or to ensure the fetility of the soil, if Cornish.
Continental giants seem to have links with the weather.
All that fooling about with Olympians, you see. As fae, Giantesses have Sight scores and can use them much as any magician does. They cannot generally cast spells, embodying magic rather than controlling it. A giantess spell-caster is beyond the scope of the current rules. They do not practice Heraldry or Tournenying and have no scores in these skills.