to get he bow you have to be aleast 1/4 good. Sacrifice right after the gaurd says something about lights out, you can here it even in the temple, and make sure the person you sacrife is good(I use the guy at the temple of avo) works ever time!
P.S. what do you mean its nothing exiting?! I can kill everything in one hit exept rock trolls and jack of blades!
Fable on!