Sacrificing 1 iron, 1 copper, 1 silver or 1 gold (either in items or in coins) will each generate a different message displaying how pleased your god is with you.
Sacrificing 1 silver will also gain you 10 favor, and sacrificing 1 gold with will heal all [[wounds]] and fully restore [[favor]]
*Tip: You can get rid of any item that you don't want anymore provided that it fits inside. To successfully sacrifice a key, you need to sacrifice the lock first.