'''Praying''' to a god will have a reward if you are in good relation with that god, and will slightly increase your [[Wis|wisdom]]. It will have a negative effect if you are not in good standing with that god, or if you pray too often. You may only pray to gods that you have knowledge of.
'''Offering''' sacrifices to a god will raise your relationship with a that god slightly. There are certain items which Gods prefer, which will raise your relationship more than others (as noted by the god thanking you for your "generous offer")