Lunacid is a great Kingsfield like modern game with PSX visuals. Don't just copy that, but it's another great place to get ideas from

I like the core of this game, the feel, the atmosphere, but it wasn't fun to play. I see you're going for a kingsfield/dark souls feel, but the damage/stamina mechanic feels slow and boring rather than tense. Also, most enemies (at least in the demo) aren't threatening.
Best luck on your game.

Great demo, but some feedback after finishing it.

The combat is Slow, but not difficult, making it boring. There's no real reason to kill enemies. block breaking has almost 0 repercussions. I can run forever even when out of stamina (good) but that means I can out speed enemies, so I did