I will be blunt. Dial back the QTE a lot. Also, be mindful of pathfinding of powerful opponents. I got nailed every time. The concept is good, but the balance need work.
Is balanced, Now, if you're playing with one hand and not being agile with that hand, it's no longer the game's problem, but yours. Because it's possible with a hand of level 1-4, then the others are a bit more complicated if you're in a lower level. Please don't say false things