User blog comment:JAlbor/Dawnguard: What Everyone Should Know/@comment-4324788-20120630234138/@comment-76.127.205.38-20120701142318

vamp lord. In order for the quest to activate you must at one pointgo to the Dawnguard and thus get the crossbow and bolts. Although one major downside is your gonna run outta bolts eventually.

As for vamp lord vs werewolf, Harkon will "purge the filth from you" and i don't now if vamp lord is curable. If your centered around wolf gameplay it might be in your favor. If you can cure being a vamp lord then become one again you can switch between each at will. which also means you can go to Galathil whenever you want