The Mountain Troll is the third moment in Harry Potter and the Philosopher's Stone, Chapter 10, Hallowe'en.


…at the end of a passage to the left, something was moving towards them…


Chocolate Frog Cards

Zoom levels

This moment has 3 zoom levels.

Zoom 1

  • On the floor, about at the center, you will see the jar of Bat Spleens

Zoom 2

  • On the sink to the right, the last one in the row, you have to move your pointer over the edge of the sink. A slug will come out and crawl up the wall a short distance. You can then collect the slug.
  • Placing your pointer on the second faucet from the left will turn it on or off.

Zoom 3

  • The card is next to the jack-o-lantern on the window pane.


You can hear mostly water running, with the occasional growl from the troll.

See Also

Harry Potter and the Philosopher's Stone
The Potions Master
Harry's Early Days at Hogwarts
Harry's First Potions Lesson
Hagrid's Wooden House
The Midnight Duel
Flying Lesson
The Trophy Room
The Forbidden Corridor
Harry's Special Delivery
Charms Class
The Mountain Troll
Charms Homework
The Golden Snitch
The Mirror of Erised
The Library
Christmas at Hogwarts
The Disused Classroom

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.