All known locations on the map The Lands Between
In the Wyndham Catacombs. To get here, jump down, under the platform in the room with the spikes. The knowledge to craft: Lightning Grease, Drawstring Lightning Grease, Lightningbone Arrow, Lightningbone Arrow (Fletched), Lightningbone Bolt.
The knowledge to craft: Dragonwound Grease.
The knowledge to craft: Ancient Dragonbolt Pot, Lightningproof Dried Liver.
The knowledge to craft: Fire Grease, Drawstring Fire Grease, Fireproof Dried Liver.
Sold by Nomadic Merchant (LG3). The knowledge to craft: Firebone Arrow, Firebone Arrow (Fletched), Firebone Bolt, Neutralizing Boluses.
The knowledge to craft: Redmane Fire Pot.
The knowledge to craft: Immunizing Cured Meat, Immunizing White Cured Meat.
The knowledge to craft: Giantsflame Fire Pot.
The knowledge to craft: Sleep Pot.
The knowledge to craft: Clarifying Boluses.
To get here you must go through a passage hidden behind the altar in the room where you fought Mohg, the Omen (Hit the wall behind the altar). The knowledge to craft: Frenzyflame Stone.
The knowledge to craft: Cuckoo Glintstone.
The knowledge to craft: Freezing Grease.
In a chest located on one of the tower platforms. The knowledge to craft: Albinauric Pot.
In a chest in the tower of a ruined building. The knowledge to craft: Magic Pot, Roped Magic Pot, Shield Grease.
A treasure chest in the same room where there are Conspectus Scroll and a hidden passage to the balcony. The knowledge to craft: Magic Grease, Drawstring Magic Grease, Magicbone Arrow, Magicbone Arrow (Fletched), Magicbone Bolt.
The knowledge to craft: Freezing Pot.
The knowledge to craft: Academy Magic Pot.
Sold by Merchant Kale. The knowledge to craft: Holy Water Pot, Roped Holy Water Pot.
Sold by Patches (1st Location). This is the first of the places where you will meet him, later in the game he will move elsewhere. The knowledge to craft: Scriptstone, Grace Mimic, Gold-Pickled Fowl Foot.
The knowledge to craft: Silver-Pickled Fowl Foot.
The knowledge to craft: Holy Grease, Drawstring Holy Grease, Haligbone Arrow, Haligbone Arrow (Fletched), Haligbone Bolt.
In a cell at the very bottom of the tower. The knowledge to craft: Holyproof Dried Liver.
Sold by Merchant Kale. The knowledge to craft: Bone Arrow, Bone Arrow (Fletched), Bone Bolt.
Sold by Merchant Kale. The knowledge to craft: Glowstone, Invigorating Curved Meat, Invigorating White Cured Meat.
Sold by Nomadic Merchant (LG1). The knowledge to craft: Pickled Turtle Neck, Poisonbone Arrow, Poisonbone Arrow (Fletched), Poisonbone Bolt.
The knowledge to craft: Fetid Pot, Roped Fetid Pot.
It's in a corpse in a room on the ground level of the fort. The knowledge to craft: Blood Grease, Drawstring Blood Grease, Bloodbone Arrow, Bloodbone Arrow (Fletched), Bloodbone Bolt.
The knowledge to craft: Soft Cotton, Stanching Boluses, Rainbow Stone Arrow.
In the Tombsward Cave. The knowledge to craft: Poison Grease, Drawstring Poison Grease.
Tombsward Catacombs, in the room locked by one Stonesword Key. The knowledge to craft: Rancor Pot.
The knowledge to craft: Stormwing Bone Arrow.
Sold by Nomadic Merchant (LI1). The knowledge to craft: Crystal Dart, Spellproof Dried Liver, Shattershard Arrow.
The knowledge to craft: Cursed-Blood Pot.
The knowledge to craft: Poison Pot, Roped Poison Pot, Poisonbone Dart.
Sold by Nomadic Merchant (CA2). The knowledge to craft: Rotbone Arrow, Rotbone Arrow (Fletched), Rotbone Bolt.
The knowledge to craft: Sweet Raisin, Warming Stone.
In the side corridor of the castle's basement, which you can access through a hidden passage located behind a wall that is an illusion. This illusion is in the same room as the Perfume Bottle. The knowledge to craft: Alluring Pot.
You will find this item on a corpse lying on the ground. The knowledge to craft: Frozen Raisin, Clarifying Cured Meat, Clarifying White Cured Meat.
It's in a treasure chest. The knowledge to craft: Spark Aromatic, Uplifting Aromatic.
The knowledge to craft: Poison Spraymist, Bloodboil Aromatic.
The knowledge to craft: Ironjar Aromatic.
All known locations on the map Undergrounds
The knowledge to craft: Preserving Boluses.
The knowledge to craft: Sacred Order Pot.
The knowledge to craft: Rot Pot, Rot Grease, Drawstring rot Grease.
The knowledge to craft: Swarm Pot, Roped Fly Pot.