THE FLESHFUL MACHINE - Novel Cover

Been willing to write a novel for a while now. But the cover...I wasn't sure what colors I was to give it, so gradient maps it was!
I'll definitely give it another go one day.
The basic gist of the novel is:
Many struggle describe what anomaly began seeping through the streets of a quiet town of Kalsten. Some say its a curse, others - an fourth dimensional infection, or an alien disease. Whatever the truth, one thing is certain.

Flesh and metal, organic mass mixed with synthetic is growing out of the soil itself! Disfigured buildings sprout from the ground, the hostile architecture annihilating roads and encroaching onto apartment complexes. Distorted veins, entwined with twisted wires and pipes slither across hallways, feeding nonsensically assembled, humanoid yet simultaneously alien technology, tumorous masses and nests of biomechanical abominations that are soon to make Kalsten their home.

And at the epicenter of this disease, this - Metastasis, as the locals have dubbed it, stands a massive concrete structure, a shell that cradles its heart - The Fleshfull Machine.

Enter Gregory Jolpin, a man from the neighboring city of Okad. A perfectly average nobody with a bad case of alcoholism. Having lost his wife to cancer, he seeks the solace at the bottom of the bottle.

Curiously, the refugees from the metastasis speak of the Legendary Fleshfull machine, and its possible capacity to bring back the dead.

Gregory knows he is doomed

Might as well brave the Metastasis and risk bringing his lost love back to life.

But the Fleshfull Machine demands a steep price. The question is: "Will he be willing to pay what is due?" (edite