This Negative Effect Is Great

It is an iron rule in the world of online games that the more powerful the treasure, the more powerful the negative effects it will have. Li Feng traveled through the world of online games and met Yun Lan, a boy who was born stupid and stupid, and obtained skills that can reverse all positive and negative effects. Ignoring negative effects makes Yun Lan's upper limit far beyond that of others, gathering thousands of negative effects into one body.