Artifacts

It would be nice if there was a way to put the countless artifacts that accumulate in a hero's bag after, say, the twentieth day of the game, to some good use. The "good" races can exchange them for a certain amount of experience (and a rather substantial amount) – there are altars for this. But demons and warlocks – they've already dressed themselves from head to toe, dressed all their relatives, found a 7-piece dragon set, and still have a bunch of artifacts in their bags. At least, it would be nice if they could be sold somewhere for money.