If you have a good day you can get all the spells, a full stack of all the listed items, join the darkwraithes, and a large variety off strength weapons before you defeat Ornstein and Smough.
and this can also come in handy for pvp, provided you know how to use strength weapons and are careful about when you pick to dodge.
don't blame me if you get bs-fished alot tho, it will be your damn fault for not knowing how to counter that.
