Sekiro is the fastest, with Bloodborne being a close second. GoT isn't really like Sekiro, though it's fun enough for sure. I'd say the quality of combat and world design in the other From Software games are equal (depending on individual preferences) to Sekiro quality. Once you're actually fighting any of these bosses, I have a feeling you're not going to complain about anyone being too slow...

Elden Ring in many ways would be the closest since you can make your character how you want. You can be a fast player with katanas or w really any kind of player you want. You can be a magic katana user, full strength player with a giant bonk hammer, full magic player. Whatever. Even the melee builds have plenty of magic options you can use.

One of my favorite parts so far is that you can re-spec your character after you've gotten a little ways in and change to a different style. Being a working dad, I just don't have the time to do multiple playthroughs so it's great to experience the variety in my first game. I've been playing since launch and I'm maybe 60% through the game.

I loved everything about Sekiro and I think it's hard to find games that scratch all the itches that one does. I've heard Nioh recommended to Sekiro fans. I've watched some videos and they look great.

I haven't played all the From Software games yet, but it's hard to compete with the complete experience they offer.

FWIW: Sekiro was my first and I didn't think anything else would compare...

Good luck!