It’s not hard in a sense, it’s just different. It doesn’t play like other games so there is a learning curve in the movements and the attacks, and there isn’t much room for error. At first it’ll be tough to get the hang of it but over time you’ll understand the purpose of it. Depending on your build you might have an easier or tougher time early.
I know new players that go melee only have a tough time because you gotta be in bosses faces a lot which isn’t easy to do without getting hit or understanding the dodge or block mechanics, but again it’s all about learning to play a new style of gameplay. I’ve played a bunch of soulsborne games and still got my ass handed to me plenty of times in this one, but thats the fun of it, you learn and adapt and become more tactical in your approach which I enjoy about games these days.
Regardless of how hard is it, there is always a way to advance, you just gotta find what works for