power weapon world

in this world there are weapons beings who can only be destroyed if they're core is destroyed and they can either change a part of they're body into a weapon with special abilities, or alternatively transform into a weapon for someone to wield, you can kill a weapon only if its in a humanoid form if its in full weapon form it no longer has a core or health so it cannot be killed this is a rpg like isekai world, the humans who wield weapons to hunt weapons are called hunters they're job is to kill all weapons unwilling to work with humans you can only use one of the weapons at a time if they allow you to wield them, weapons are considered monsters and can sometimes evolve when consuming flesh or level up from eating souls