If you are looking to "put together" something technical with those files, here are three ways to bring that dark aesthetic to life:
Use the grit and blood-stain textures on stone pillars to imply a battle happened long before the player arrived.
Since I can't "open" the zip directly, I’ve put together a piece of that captures the "Berserk" aesthetic—the clashing of iron, the smell of pine and blood, and the struggle against destiny. The Brand’s Toll Berserk_texturi4.zip
He shifted the weight of the Dragon Slayer. It wasn’t a sword—not really. It was a slab of raw iron, a physical manifestation of a grudge held against God himself. Every notch in the blade told a story of a scream cut short.
As the first shadow detached itself from the treeline, elongated and wrong, Guts didn't pray. He didn't hope. He simply planted his iron boot into the mud and exhaled a cloud of frost. In a world of transcendent monsters and golden dreams, he was the only thing that remained stubbornly, violently human. If you are looking to "put together" something
The iron swung. The world screamed. And for a moment, the darkness was forced to remember what it felt like to bleed. How to use these textures (if you're a creator):
The sky was the color of a bruised lung, heavy with the weight of an eclipsed sun. Guts didn’t need to see the horizon to know the tide was turning; the Brand on his neck pulsed with a rhythmic, searing heat that bled into his collar. It was a dinner bell for things that crawled in the spaces between heartbeats. It wasn’t a sword—not really
If the zip contains "wear and tear" overlays, stack them onto clean armor textures to give your character that "struggling survivor" vibe.