Casting Bones - same as that used by witch doctors.
A hunting party realizes a druid has been foiling it’s hunting efforts and shifts it’s focus from hunting wild game to hunting the druid.
Sinister, enganging plot involves a powerful tool fallen into the wrong hands. Only the players can set things right. They have a piece of the tool, but first they have to figure out how the tool works, why two opposing forces are persuing them, whom to trust, and what to do next. Murder, accusation, betrayal, diplomacy, combat, and constant mystique force the players to make incredibly difficult decisions.
This powerful magic item was created to augment Alienists, a prestige class in the Tome and Blood.
Circlet of Amplus Ater Iris meaning “Circlet of The Great Dark Messenger” (Amplus - great, important; Ater - dark, malicious; Iris - messenger of the gods. Thought by some to mean Nyarlathotep)
In the middle of an unimportant combat with some bandits a burst of wild magic transforms all of the PCs and their opponents in to random animals and monsters. They retain their intelligence (though not, of course, the ability of speech). They can either carry on the combat in their new forms, panic, or otherwise react how they see best. After about an hour, they return, unharmed, to their normal form.