Dubstepforum.com

Hey all!!!
I'm going to finish my second track for my first EP in breaks style.
But before that I tried myself in dubstep. Here:

Soundcloud

Nobody wants this tune to be released, so, I decided to share with it here for asking you, guys, to help me in searching my mistakes.
What's wrong with it?

Big sounds, felt it could've benefitted from a hook element like a melody or vocal.

Thanx for feedback. Ya, maybe you're right. I think too, that I miss something here.