A beautiful highly detailed mechanical (giant human head is a battleground, with two medieval armies, knights in armor fighting a battle in the brain, arrows flying, spears axes shields, harsh lighting:1.3) by mark keathley and Simon Stalenhag, (dieselpunk:0.8), 70mm photo, featured on artstation, 4k, octane render, (centered composition:1.2), 4k, 8k, artstationhq | Steampunk