Hallowe’en

Did you notice?

A feast, a troll, and a friendship sealed by fighting something enormous in a bathroom. The levitation charm stops being homework. Notice the timing: a teacher vanishes, a monster appears, and the adults are oddly elsewhere. The book is teaching you to distrust a convenient absence.

Foreshadowing

Hallowe’en remains a date the series bruises. A mountain troll is also a misdirection — the year’s real intruder wants you looking at the clumsy threat.