Hey all, TL1 here, hoping to clear up some stuff about the no weapons.
On page 10 Einar uses the words "暮らしの道具でも" meaning "tools to live". He says this about "武器" meaning "weapons". On the next page, Thorfinn then says that Hild's crossbow is "人殺しのために" meaning "for killing people". Finally, he concludes that those tools used to kill people are "剣です" literally meaning "a sword or blade", but we adapted that as weapons. Since when we think of a weapon we think of something that is just for "人殺しのために", killing people.
I hope this clears up some of the confusion.