All of the dungeons on our travel stone with the exception of wind have dungeon bosses.

These Bosses will give a chance to drop Power Scrolls into your bag as you fight them.

After killing the dungeon bosses they will each drop a Dungeon Guardian stone.

Once you have collected all eight Dungeon Guardian stones you may summon King Blackthorn. He is located north of minoc. To summon him simply Dclick the altar in his throne room.