I'm too impatient to get through this part without making it sound bad? need some advice please?

well, actually, if you already know exactly what yoou wa to write for the end, then go for it. but i als suggest to make a chart of everything your book will contain. characters,settings, details of each of those, and details of anything important that are items or in your case magic. it helps when writing so you remember your details instead of reading through parts to find what you forgot (it that makes sense). and also, the beginning might come easier if you write the rest of the book, then that. you'd have a better sense of what to write, sinse you wrote everything else. but for me, i need to work through it. if i get stuck i search for things and examples to get me through it. it all really helps me. i like writing intros though so when i'm making my characters, i'll know them better and it's easier to create and picture their personalities so i know the way their actions might play out in the book. i hope i helped.