"The sun is trying to deprive me of existence" (growl)
10/10
I don't play guitar, only synthesizers and composition with Daws
Same here. Just make an electronic track that sounds metal-ish. Square waves + distortion (Guitar Rig is good for this, for obvious reasons). It doesn't have to be metal, just use metal-ish sounds and do your usual thing. For example, here's what happens when you cross metal with dubstep.