Ultra-realistic, grounded, dark American post-apocalyptic sci-fi thriller, one co...

Ultra-realistic, grounded, dark American post-apocalyptic sci-fi thriller, one continuous one-take shot, gritty hyper-realistic live-action martial-arts realism with real physical weight, momentum and recoil — NO anime speed-lines, NO afterimages, NO cartoon impact bursts, NO floaty wire-fu; every strike lands with believable bone-deep force and practical-stunt impact, like a real heavyweight f...