Here are a few things I like about those games:
Examples of games that qualify:
Examples that don’t qualify:
Games on the fence:
Basically, I want a game that forces me to learn and adapt using the limited tools the game provides. Here are things I absolutely want to avoid:
Basically, I shouldn’t have to think outside solving puzzles and fighting bosses.
Indie games are preferred.
Platforms:


A gaming community free from the hype and oversaturation of current releases, catering to gamers who wait at least 12 months after release to play a game. Whether it’s price, waiting for bugs/issues to be patched, DLC to be released, don’t meet the system requirements, or just haven’t had the time to keep up with the latest releases.
Lies of P seems like it fits most criteria. It’s much less “build your DnD character” than Dark Souls, you have a handful of options but the focus is more on level design and boss fights than customizability from what I’ve played of it. Like Bloodborne but with a narrower focus.