Interesting...
Couple of ideas to help it maybe...
Lower the low end on the bass a tad. It is completely overpowering. There is no real balance at all in the song with the bass so loud.
The riffs themselves aren't too bad. It might be pretty cool sounding with real guitars. But my only thought about them is that they are so simple. You should really do something a little bit more complicated.
Also, the song seems to repeat a lot, or maybe it just seems to because there is no variation in the sound. Just because it is a FL Studio metal song, does not mean it can't have variation to it. So change up the sound a bit. Add some more instruments for starters, that would really help.
The pads are nifty sounding, but are really out of place. They just kinda jump in and out of the song randomly with no real sense or purpose. You need to work on the transitions so they don't just jump out and bite ya. That is sometimes a good effect to have on the listener, but here it is just kinda obnoxious.
The drums are kinda weak. They sound wimpy overall. EQ and compress them a bit. That should help make them a bit punchier, which is oh so important in metal.
As I sit here towards the end of the song, I realize I felt no true structure to the song at all. I couldn't really tell where the chorus begins and ends, and the same with the verses and bridges as well. If you had any bridges at all, which you might not have.
This is just kinda...well...blah. I think just about everything could be improved here, and with minimal effort too. Because this is like a skeleton of a real song. The main ideas are there, but there is nothing to give it life.
1/5 and 3/10 overall. This really just needs a complete makeover.
Good luck on your future projects bud.
-Gravey-