It all make sense now But the thing i don't understant it is "the mask origine"Rimuru give it to chloe and she became the hero and the hero hinata in chloe body give it to shizu and shizu give it to rimuru
Rimuru once made a copy of that mask after it broke so it was propably originally also made by him at some point or smth
It's a paradoxical item
Not necessarily
It all make sense now
But the thing i don't understant it is "the mask origine"
Rimuru give it to chloe and she became the hero and the hero hinata in chloe body give it to shizu and shizu give it to rimuru