The Calamity Mod adds several crafting materials to the base game. This is a comprehensive list of all items that are exclusively crafting materials, i.e. the sole purpose of every item in this list is crafting.
Fish
Enemy Drops
Pre-Hardmode
Material |
Availability |
Obtained from |
Amount
|
 |
Ancient Bone Dust
|
Always available
|
Armored Skeleton, Hoplite, Overloaded Soldier, Skeleton, Skeleton Archer Iron Crate, Mythril Crate
|
1 5-8
|
 |
Blighted Gel
|
Always available
|
Corrupt Crate, Crimson Crate, Defiled Crate, Hematic Crate Crimulan Blight Slime, Ebonian Blight Slime
|
5-8 15-21
|
 |
Blood Orb
|
Always available
|
Blood Moon-exclusive enemies
|
Varies
|
 |
Blood Sample
|
Always available
|
The Perforators
|
25-30 / 30-40
|
 |
Demonic Bone Ash
|
Always available
|
Bone Serpent, Demon, Voodoo Demon Brimstone Crate, Slag Crate Armored Digger Ashen Chest
|
1 1-4 2-4 4-14
|
 |
Dubious Plating
|
Always available
|
Using Draedon Power Cells at an Extractinator Armored Digger Lab Turret Abandoned Research Facility, Abandoned Workshop Jungle Bio-center Lab, Ice Bio-center Lab, Space Bio-center Lab, Sunken Sea Bio-center Lab, Underworld Bio-center Lab
|
1 4-8 8 8-14 10-17
|
 |
Energy Core
|
Always available
|
Wulfrum Drone, Wulfrum Gyrator, Wulfrum Hovercraft, Wulfrum Rover Wulfrum Amplifier
|
1 (While supercharged) 1
|
 |
Murky Paste
|
Always available
|
Arapaima, Spiked Jungle Slime Bramble Crate, Jungle Crate
|
1 1-3
|
 |
Mysterious Circuitry
|
Always available
|
Using Draedon Power Cells at an Extractinator Armored Digger Abandoned Research Facility, Abandoned Workshop Lab Turret Ice Bio-center Lab, Jungle Bio-center Lab, Space Bio-center Lab, Sunken Sea Bio-center Lab, Underworld Bio-center Lab
|
1 4-8 7-12 8 10-15
|
 |
Pearl Shard
|
After defeating the Desert Scourge
|
Desert Scourge
|
25-30 / 30-40
|
 |
Purified Gel
|
After defeating The Slime God
|
The Slime God
|
30-45 / 40-52
|
 |
Rotten Matter
|
After defeating The Hive Mind
|
The Hive Mind
|
25-30 / 30-40
|
 |
Prototype Plasma Drive Core
|
Always available
|
Space Bio-center Lab
|
1
|
 |
Stormlion Mandible
|
Always available
|
Stormlion
|
1
|
 |
Sulphuric Scale
|
After defeating the Eye of Cthulhu
|
Acidwood Tree (shaking) Acid Eel, Hydrothermal Crate, Nuclear Toad, Radiator, Skyfin, Sulphurous Crate
|
1-2 1-3
|
 |
Suspicious Scrap
|
Always available
|
Arsenal Labs
|
1
|
 |
Wulfrum Metal Scrap
|
Always available
|
Wulfrum Gyrator, Wulfrum Rover Wulfrum Drone Wulfrum Amplifier, Wulfrum Hovercraft Using Wulfrum Batteries and Rover Drives at an Extractinator, Wooden Crate, Pearlwood Crate Iron Crate, Mythril Crate
|
1-2 1-3 2-3 3-5 5-8
|
Hardmode
Material |
Availability |
Obtained from |
Amount
|
 |
Ashes of Calamity
|
After defeating Calamitas Clone
|
Calamitas Clone
|
25-30 / 30-35
|
 |
Corroded Fossil
|
After defeating Aquatic Scourge
|
Anthozoan Crab, Belching Coral Acidwood Tree (shaking) Flak Crab, Hydrothermal Crate, Orthocera, Sulphurous Crate, Sulphurous Skater, Trilobite
|
1 1-2 1-3
|
 |
Depth Cells
|
After defeating Leviathan and Anahita
|
Abyss enemies Hydrothermal Crate, Sulphurous Crate
|
Varies 2-5
|
 |
Essence of Eleum
|
Always available in Hardmode
|
Aurora Spirit, Cryon, Frost Legion enemies, Ice Clasper, Ice Elemental, Ice Tortoise, Icy Merman, Wolf Rimehound after defeating Cryogen Boreal Crate, Frozen Crate Fish of Eleum Cryogen, Ice Golem
|
1 1 2-4 5-10 8-10 / 10-12
|
 |
Essence of Havoc
|
Always available in Hardmode
|
Brimstone Crag enemies, Red Devil Hellstone Crate, Obsidian Crate Havocfish Brimstone Elemental, Calamitas Clone
|
1 2-4 5-10 8-10 / 10-12
|
 |
Essence of Sunlight
|
Always available in Hardmode
|
Angry Nimbus, Harpy, Shockstorm Shuttle, Sunskater Azure Crate, Sky Crate Sunbeam Fish Cloud Elemental, Golem, Wyvern
|
1 2-4 5-10 8-10 / 10-12
|
 |
Grand Scale
|
After defeating Plantera
|
Great Sand Shark
|
1 / 1-2
|
 |
Infected Armor Plating
|
After defeating Golem
|
The Plaguebringer Goliath
|
25-30 / 30-35
|
 |
Living Shard
|
Always available in Hardmode
|
Plantera
|
25-30 / 30-35
|
 |
Lumenyl
|
After defeating Leviathan and Anahita
|
Abyss enemies Hydrothermal Crate, Sulphurous Crate
|
Varies 2-5
|
 |
Meld Blob
|
After defeating the Lunatic Cultist
|
Celestial Pillars enemies Astral Crate Astrum Deus
|
1 5-10 16-24 / 20-32
|
 |
Mollusk Husk
|
Always available in Hardmode
|
Clam Prism Crate Giant Clam
|
1 2-5 25-30
|
 |
Plague Cell Canister
|
After defeating Golem
|
Melter, Pestilent Slime, Plague Charger (Normal), Viruling Plague Charger (Large) Plagueshell Bramble Crate, Jungle Crate Plaguebringer The Plaguebringer Goliath
|
1-2 2-3 3-4 3-6 8-12 15-20 / 25-30
|
 |
Solar Veil
|
After defeating Calamitas Clone
|
Reaper, Psycho, Vampire
|
2-4
|
 |
Starblight Soot
|
Always available in Hardmode
|
Astral Infection enemies Monolith trees (shaking) Astral Crate Astrum Aureus Astral Chest Astrum Deus
|
Varies 1-2 5-10 20-30 / 30-40  30-80 55-95 / 65-105
|
 |
Titan Heart
|
Always available in Hardmode
|
Atlas
|
1
|
 |
Trapper Bulb
|
Always available in Hardmode
|
Angry Trapper
|
1
|
Material |
Availability |
Obtained from |
Amount
|
 |
Armored Shell
|
After defeating the Moon Lord
|
Storm Weaver
|
5-7 / 6-9
|
 |
Ashes of Annihilation
|
After defeating Yharon, Dragon of Rebirth
|
Supreme Witch, Calamitas
|
25-30 / 30-40
|
 |
Bloodstone
|
After defeating Providence, the Profaned Goddess
|
Brimstone Crag enemies Brimstone Crate Necromantic Geode
|
1 1-3 100-120 / 120-140
|
 |
Dark Plasma
|
After defeating the Moon Lord
|
Ceaseless Void
|
5-7 / 6-9
|
 |
Darksun Fragment
|
After defeating The Devourer of Gods
|
Some Solar Eclipse enemies Eyezor Nailhead Mothron
|
1 1-2 3-5 20-30
|
 |
Divine Geode
|
After defeating the Profaned Guardians
|
Providence, the Profaned Goddess
|
25-30 / 30-40
|
 |
Effulgent Feather
|
After defeating the Moon Lord
|
Draconic Swarmer Dragonfolly
|
5-7 25-30 / 30-35
|
 |
Endothermic Energy
|
After defeating The Devourer of Gods
|
Elf Copter, Flocko, Nutcracker Krampus, Present Mimic, Yeti Everscream Santa-NK1 Ice Queen
|
1 1-2 3-5 5-10 10-20
|
 |
Exo Prism
|
After defeating Yharon, Dragon of Rebirth
|
Exo Mechs
|
25-30 / 30-40
|
 |
Necroplasm
|
After defeating the Moon Lord
|
Overloaded Soldier, Phantom Spirit Sad Phantom Spirit Angry Phantom Spirit Dungeon Crate, Stockade Crate Happy Phantom Spirit Polterghast
|
1 1-2 1-3 1-5 2-4 30-40 / 40-50
|
 |
Nightmare Fuel
|
After defeating The Devourer of Gods
|
Splinterling Hellhound, Poltergeist Headless Horseman Mourning Wood Pumpking
|
1 1-2 3-5 5-10 10-20
|
 |
Reaper Tooth
|
After defeating Polterghast
|
Reaper Shark Hydrothermal Crate
|
3-4 1-5
|
 |
Ruinous Soul
|
After defeating the Moon Lord
|
Polterghast
|
7-15 / 10-20
|
 |
Twisting Nether
|
After defeating the Moon Lord
|
Signus, Envoy of the Devourer
|
5-7 / 6-9
|
 |
Unholy Essence
|
After defeating the Moon Lord
|
Impious Immolator, Profaned Energy, Scorn Eater Divine Crate, Hallowed Crate Profaned Guardians Providence, the Profaned Goddess
|
2-4 5-10 10-15 / 15-20  20-30 / 25-35
|
 |
Yharon Soul Fragment
|
After defeating the Moon Lord
|
Yharon, Dragon of Rebirth
|
25-30 / 30-35
|
Other