Talk:Void Fissure/@comment-50.110.226.226-20160724003724

The traces are garunteed at the (0) 30%, 60% and 90% from eximus units, however there is a small chance regular enemies may drop too... thus waiting to close, as more enemies spawn ;-)

Also, wiki talks about this on the actual traces page and how to use, ivara, nekros, etc to obtain more