Another super underground artists are MIMI BARKS
and MSHAA
https://www.youtube.com/watch?v=ZsHwGIo0SdU
MSHAA
https://www.youtube.com/watch?v=FW92i4Le4Dg
the second one, if your check the whole album is even more industrial metal than trap, maybe even influenced by Ministry, marilyn manson, skinny puppy or GGFH :D
in such a strange way modern music is going now...