Wow, that’s already way better than before. You can definitely use this setup if you want—it’s much more efficient.
If you want to make it even faster, I’d recommend going to a public server and fighting the boss with other players. It makes the whole process a lot easier and quicker. But if you’re doing it solo, you can try combining Sukuna melee with Ice Queen. This way, you can rotate your skills and reduce the cooldown on your F skill