When with Silvia improve her armour? This one looks more like a casual wardrobe! Oh, and Second, she does know what kind of man you are! That's why the remark
At this point their strength and renown is very high, considering they just signed off a billion contract with a famous Earl. Not many people would dare messing with them and to make it worst, he accidentally made threats to an empire spy in the previous chapter sending a message straight to their emperor lol