DreadPirateMurphy
Explorer
Set it up so that when the players get to the castle, they run into another group investigating the wizard...make that group a third faction in the conflict. Let's say that a cabal of evil cultists as figured out what is going to happen, and they want to use the chaos of the takeover attempt to summon something evil. They arrive at the castle looking for clues that will help them plan their event (which is meant as an offering to an uber-evil of you choice).
This gives you the option of a Diablo-like hackfest, or a Cthulu-esque horror scenario -- and it puts the players in a position to be thanked by either the king or the prince, depending upon who wins.
This gives you the option of a Diablo-like hackfest, or a Cthulu-esque horror scenario -- and it puts the players in a position to be thanked by either the king or the prince, depending upon who wins.