Black Magic is watching Nyrius/Verasi wormhole. It will continue to be killed.

http://imgur.com/LxYVTJD

Does it do any good to kill it?

I killed it a few times, and the owner of it threw a right old fit, calling me all the names under the sun!

So yes, you get something from it :)

sorry yoda,
i wasn't aware that Wilko it's you...