There is definitely a progression. The good news is that you have alot of manga to read. The bad news is that you inevitably catch up and then have to suffer the constant hiatus. The manga is definitely worth reading. The artwork is gorgeous and the characters are great. There is alot of blood-n-guts, but it serves…

I just powered it a couple weekends ago, delays aside, there is very clear forward progression of the main story and the author clearly has a larger plan for an ending.

It’s the best manga I’ve ever read. The anime doesn’t even begin to scratch the surface of what makes Berserk great.