The young man was in charge of creating disposable debuff items. However, those items had fatal flaws and were said to be not very useful, leading to him being expelled from the party without a penny. However, the original party didn’t understand. The items created by the young man boasted incredible performance, surpassing even relics and hero’s equipment… After being expelled, the young man made up his mind to live on his own and set his goal to create a “small shop” in the countryside, embarking on a journey alone. This is the story of an item creator who brings forth a terrifying performance in exchange for only a slight disadvantage. His creations go beyond myths–