Well the first suggestion is that since you guys are in search of the last GameMaster why not choose a few interns and see how they fair out for a few days.
The second suggestion would be having some custom quests/party quest, that the monsters have incredible weapon and magic defense giving the players a hard time killing them and the prize would be something currently unobtainable at all.
More Suggestions will come
The second suggestion would be having some custom quests/party quest, that the monsters have incredible weapon and magic defense giving the players a hard time killing them and the prize would be something currently unobtainable at all.
More Suggestions will come