That's strange, because I main a Night Walker and I'm able to kill mobs just fine with Shadow Spark. I suppose it might just be affecting certain players?
Maybe, I sent them a video and lets see if they will fix it.
You may be suffering from Memory Corruption.
http://forums.maplestory.nexon.net/discussion/151/memory-dll-corruption
you think i didnt try it (:?
I tried everything thats possible, thats why I made this thread.