Half-Man, Half-Bull? Surely you’re joking. But if it’s Dungeon Crawling you need to do there’s nobody better than The Minotaurs.
You receive a vision of a rooftop "somewhere close by", where a rare moss grows; in the vision, you know the moss is suitable for greatly enhancing the effects of certain types of potions. Now go and find that rooftop. Don't fall off. (Of course, rooftop runners *will* be taken for miscreants by the local City Watch....)