Yep. I actually use that in my story: armor and weapons turn out to be essentially useless against Angels, so the agency has to start a martial arts program.
There are exceptions, such as Terry Pratchett's meteoric-iron sword (taken to have Captain Carrot's characteristic of "being the least magical sword you could think of"); retrieving it is in itself a subplot. :)
There are exceptions, such as Terry Pratchett's meteoric-iron sword (taken to have Captain Carrot's characteristic of "being the least magical sword you could think of"); retrieving it is in itself a subplot. :)
You can find the whole thing (stories and RPG worldbooks) here: https://www.deviantart.com/spiritplumber/art/Left-Beyond-Add...