I used this material but in the body doesn’t have a good look as in the head, it is a skeletal mesh and they are two different elements, i don’t why???
Tehre’s something wrong with your normals
Looking at the blurry areas around the arm and sternum it appears it could be your uvs. Hardened normals could produce a similar effect, but the disparity in the color between some of the adjacent seams would suggest improper uvs as a likely reason as well.
Try smoothing groups
what you mean by smoothing grups???