Daoisttt
We should learn of the [Ninja Way] and how to become a Fuinjutsu master and a blacksmith, because then we could use metals in formations and Fuinjutsu as the first line of defense because they would then take all their time to get through Chakra Fuin then have to get through Formations that they have not seen before, as well as the Fuins and formations being inscribed into either the mountain rocks and chakra metal.