1) <span class='standouttext'>Spoiler : </span><span class='spoiler'>They ghosts attack and you get a unique item and some treasure</span>
2) As far as I know, they're just magic swords. Could be wrong though.
3) Not sure.
4)<span class='standouttext'>Spoiler : </span><span class='spoiler'> Need to give it to the imp outside that asks you to find a potion in the alchemist's house</span>
5) No, you can choose to stay in this act for a while <span class='standouttext'>Spoiler : </span><span class='spoiler'> After you kill the shaman, tell the imp you're not ready to leave for the temple yet</span>. As for the battlefield key, run a search for the excellent maps available. It'll be on there.
6) That's a pretty big area. I'm afraid you'll have to elucidate.
