Glowing black pixels appear on the character's clothing

[a996766825]

 

[hazmhox]

You might want to give context, details, and ask a question maybe?

 

[MacGruber]

This kind of issue is caused by badly modeled geometry, in this case probably the clothing or whatever is at the center of the black blob. Like degenerate triangles were two or all three vertices are identical. This is causing a division-by-zero error within some of the PostMagic effects, resulting in black or white pixels. This error is spreading into neighboring pixels when for example Bloom or DoF is used, causing them to be more noticable. Note that the actual error is in the geometry, not with PostMagic. It is not fixable from PostMagic side without ridiculous implementation effort, which is not feasible.