Fantasy: My Qualifications Are Very Poor

Jiang Yun traveled to another world, but found that his physique was the worst "cultivation insulator" in the world. Fortunately, he has a golden finger! His blood has earth-shaking power! All items will undergo tremendous changes after being contaminated by his blood. Ordinary weapons can evolve into magical weapons after being contaminated by his blood! Ordinary medicines can evolve into miracle medicines after being contaminated by his blood! Even people, after drinking his blood, will have a stronger physique than before! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.