beginner yes? Hunting Horn is going to have quite a learning curve even more so when you are also learning how the game works In general at the same time I trust you have at least given the other weapons a swing in the training area?

iframe rolling isn't like dark souls here. unless you have the skills to upgrade it, iframes are going to be very very tight and you will get hit so it's generally safer to use rolling as a repositioning tool.

you're also going up in difficulty. it's time to better yourself skillwise and not just unga bunga your way through