Big jump from Level I to Level II. Huge, even. The Level II material is the hardest of the three exams.
That varies from individual to individual. Most hate FRA. Many hate derivatives (though they shouldn’t). Equity’s massive. Quant’s intense. So’s Fixed Income. Nothing’s easy; even the easy stuff isn’t easy.
Just a suggestion, start with derivatives - for some reason I find this a cakewalk, at least without having looked at CFAI or QBank questions. Do Corp Finance before FRA, you’ll get in the accounting mindset.
The material is not as complicated as most people say. Personally, I believe FRA, FI, Quant and Economics are the toughest. The real driver of difficulty is the amount of material.
Most of the other stuff is not too hard to digest. And you can always practice the difficult parts.
The jump is not that huge, at least for me, coming from a non-financial background.
L2 is being criticized because most people don’t experience the novelty of L1, both were new to me, so it’s all relative. I don’t personally think one is much harder than the other with that in mind.