A Wizard’s Nightmare is a Lost Page from Amadeus’s mini story in Trine 3: The Artifacts of Power.
“While we’re idling about, I think I’ll take a short nap,” said Amadeus.
“Wake me up when something interesting happens.”
“Will do!” Pontius replied.
Amadeus: The cellars of the Astral Academy. I’m here to find something, aren’t I? They’ll never let me graduate, if I don’t find it!