Horned Slugs are an ingredient used in potion-making.
Horned Slugs are used to brew the following brewing potions:
- 24 jars for 1 Galleon
- "The Mountain Troll"
- In the sink on the right hand side
- "Quidditch Practice"
- In the pile of slugs next to Ron
- "Exam Time"
- In the water in the second layer
- "The House on the Hill"
- On top of the left gate pole
- "The Misty Moor"
- Zoom 2 on the left side near the bottom of screen
- "A Hundred Horseless Carriages"
- Zoom 2 on the rock pile by carriage starting over the hill
- "Four Dragons"
- "Facing the Dragon"
- "Mrs Figg"
- Zoom 1 on the wall between Mrs Figg and Harry
- "The Carriages"
- On the wagon wheel just to the left of Ron's foot.