Cure for Boils Potion
1. Add 6 Snake Fangs to the mortar.
2. Crush into a fine powder using the pestle.
3. Add 4 measures of the crushed fangs to your cauldron.
4. Heat the mixture.
5. Wave your wand in a backwards "x" over the cauldron, starting top-right, bottom-left, bottom-right to top-left, casting "Percurus"
6. Leave to brew and return in 80 minutes.
7. Add 4 horned slugs to your cauldron.
8. Take the cauldron off the fire before adding the next ingredient.
9. Add 2 Porcupine Quills to your cauldron.
10. Stir 5 times, clockwise.
11. Wave your wand in a rightwards "x" over the cauldron, starting top-left, bottom-right, bottom-left to top-right, casting "Percurus"
12. Heat it again until turns green.
13. Add Flobberworm Mucus until the potion turns pink.
14. Heat again until it turns orange.
15. Mix in the dried nettles until it turns green.
16. Heat again until it turns red.