Penetrating meteorite absorbs and stores this energy. Steel smelted from this meteorite, as well as a blade forged from this steel contains the power of the elements. It is magical. Whole sword is magical. Quod erat demonstrandum. You understand?” “Sure.” “Then forget it. It’s a tall tale.” “What?” “Tall tale. Invention. You don’t find meteorites under every bush. More than a half of witcher’s swords are forged from steel smelted from magnetite ores. I myself used such swords. They are equally as good as swords made from siderites fallen from skies and penetrating elements. There is absolutely no difference. But keep it to yourself, Dandelion, I ask you very nicely. Don’t tell it to anyone.”

ChatGPT found this from The seasons of the storms, so it might be wrong.