Invisibilitatem

Estimated Brewing Time:

Pewter cauldron: 14 hours, 33 minutes and 3 seconds to 15 hours, 51 minutes and 30 seconds
Brass cauldron: 13 hours, 25 minutes and 51 seconds to 14 hours, 14 minutes and 12 seconds
Copper cauldron: 12 hours and 23 minutes to 11 hours and 2 minutes

Ingredients:

1. 20 strands of demiguise hair
2. 45 mL of extract of ruddyroot
3. 12 mL of wormwood essence
4. 4 mandrake roots
5. 5 owl feathers
6. 10 black goblin-sickle seeds
7. 30 g of nightshade
8. 20 mL acromantula venom
9. 1 bezoar
10. 12 boom berries
11. 1 erumpent tail
12. 2 cloves of exploding ginger
13. 4 stalks of cinquefoil weed
14. 17 mL of salamander blood

Instructions:

1. Add two L of water to the cauldron and bring the heat up to 372 Kelvin (98.85°C/209.93°F)
2. Add four ml of salamander blood to the cauldron
3. Add forty five mL of extract of ruddyroot
4. Peal two cloves of exploding ginger1
5. Cut peeled ginger into strips with a silver dagger
6. Add the strips to the cauldron2

Potion should now be a bright orange

Side mixture:

1. Crush ten black goblin-sickle seeds with the side of your silver dagger into a smooth paste3
2. Add thirteen mL of salamander blood to the paste
3. Let paste soften for 30 minutes
4. During that, steep twenty mL of basilisk venom in one L of water
5. After paste is softened add basilisk water to the paste and wait another 20 minutes
6. When complete rub paste on all twenty strands of demiguise hair and then let dry

Instructions 2:

1. Add thirty g of nightshade to the cauldron
2. Crush one bezoar into a fine powder and add powder to the cauldron
3. Take the cauldron off the heat
4. Add twelve boom berries to the cauldron

Potion should now be dark purple

Instruction 3:

1. Put four mandrake roots in a separate pot and heat it up to 577 Kelvin (303.85°C/578.93°F)
2. Add newly dried mandrake root to the cauldron4
3. Add twelve mL of essence of wormwood to the cauldron
4. Add five owl feathers one by one
5. Add four stalks of cinquefoil weed to the cauldron
6. Add paste covered demiguise hair to the cauldron
7. Let brew for time above

Potion should now be dark green and scentless