| Adamantine | A mythical metal said to be the hardest in existence. Amazing that it actually exists in raw form. | Final Guard | Infinite Corridor |
| Aluminum | A very light metal used by some alchemists, but mostly unknown. Makes very light armor. | Armor Knight, Lesser Demon, Orc | Abandoned Castle |
| Ancient Memory | A stone fragment with ancient memories engraved on it. Used for primitive weapons. | Blaze Master Lv.14, Fishman, Merman, Sniper Orc | |
| Angel Halo | Its name comes from its shape and its shine. Has strong holy powers. | Amduscias | Mortvia Aqueduct |
| Aquamarine | A blue ore as clear and deep as the sea. Appears moist to the touch. | Fishman | Mortvia Aqueduct, Forest of Jigramunt |
| Beezelbub's Seal | The spirit body of Beezelbub, sealed in amber. Overflowing with phantom's energy. | Unicorn | |
| Bronze | Deep bluish bronze. Pretty common as a material and not that strong, but has many uses. | Skeleton | |
| Carbon Steel | The base for amazingly tough steel. Very precious, it makes great weaponry or armor. | Sniper Orc, Great Armor | Forest of Jigramunt, Infinite Corridor |
| Ceramics | Lighter and more resistant to heat than metallic materials. A light, white color. | Rapid Sniper, Skeleton Trooper Lv.35 | |
| Ceremonial Tool | An amber artifact used in ancient rituals. An ancient weapon is said to be made from this. | Blaze Master Lv.14, Vassago | Infinite Corridor |
| Damascus Steel | A beautiful layered selection of metals expertly combined. Hard and resistant, it never rust. | Iron Gladiator | Cordova Town, Aiolon Ruins |
| Dark Crystal | Evil, dark matter that lingers in space. Must be handled extremely carefully. | Evil Core Lv.42 | Baljhet Mountains, Infinite Corridor |
| Dark Matter | Evil, dark matter that lingers in space. Must be handled extremely carefully. | Blaze Phantom | Mortvia Aqueduct |
| Devil Iron | Ore that glows blue. Has very strong magical powers. | Minotaurus Lv.30 | |
| Devil's Vein | The blood of many devils, solidified by magic. Black and sickly, don't look at it for too long. | Isaac Lv.34 | Forest of Jigramunt |
| Dragon Scale | Although not actually taken from a dragon, so hard and flameproof that it may as well have been. | Skeleton Rider | Baljhet Mountains, Forest of Jigramunt |
| Ether | Said to make up a large part of the universe, but further details remain unknown. | Lizard Shaman | Garibaldi Temple, Forest of Jigramunt, Infinite Corridor |
| Forgotten Memory | Has existed since the creation of the Earth. Used to make weapons, but almost impossible to work with. | Amduscius, Unicorn | Infinite Corridor |
| Frenzy of Wind | A bright, flesh green ore. You can hear the wind if you hold it close to your ear. | Jin | Aiolon Ruins |
| Galtite | A heavy red metal in many leyers. Said to draw out a human's latent power, but who really knows? | Crazy Armor Lv.9, Red Ogre | |
| Holy Man's Vein | The blood of a high ranking holy man solidified by magic. Filled with the holy power to crush evil. | Dead Baron, Dead Fencer | Infinite Corridor |
| Immortal Fragment | A piece of eternity itself. Releases endless amounts of energy. Really shouldn't exist to be honest. | Saint Germain Lv.37 | |
| Indigo Steel | Fairly easy to find, bright indigo in color and pretty heavy. Melts at high temperatures. | Assassin Zombie, Lizard Shaman, Red Ogre, Wolf Skeleton Lv.23 | |
| Jade | Rarely used to make weapons, but... maybe...? | Assassin Zombie | |
| Jet Black | A primitive material used since the dawn of time. Still used to make many basic weapons. | Cockatrice, Efreet, Lizard Man | Cyclops |
| Knight's Vein | The blood of a great knight solidified by magic. It's burning-hot red, too hot to hold for long. | Bone Soldier, Dead Baron, Dead Fencer, Phantom Sword, Spectral Sword | |
| Lightning Stone | A stone made when lightning strikes a crystal by chance. Has massive energy, and shocking to touch. | Thunder Demon | Infinite Corridor |
| Midas' Gold | Amazingly pure gold. Worth a great deal, but not the best material to make things from. | Jin | |
| Miracle Egg | No one knows what will be born from this egg. Looks as though it could suck you right in. | Evil Core Lv.42, Golden Bones | Dracula's Castle |
| Orichalcum | The ultimate metal, created on a phantom continent. Shines with a red light. | Harpy | Aiolon Ruins |
| Phlogiston | Hardened 'warmth' collected from a variety of objects; gives off natural heat in its pure form. | Flame Demon | Infinite Corridor |
| Purple Glitter | A crystal that glows a strange purple. Very rare, said to fall from the sky. | Dullahan | |
| Red Steel | Red steel, made from solidified magma. Hard, good for armor and non-edged weapons. | Armored Sprinter, Harpy, Necromancer, Undead Lord | |
| Spirit of Fuji | A godly material from a distant mountain in the East. Prized for its use in many different weapons. | Dark Warlock, Necromancer, Wizard,Lesser Demon | Mortvia Aqueduct, Aiolon Ruins, Infinite Corridor |
| Steel | Regular steel. Easy to find but brittle and hard to shape. Used more for weapons than armor. | Bone Soldier, Dark Warlock, Great Armor | |
| Sun Tears | The innocence of the shining sun captured in amber. Will shine brightly for eternity. | Flame Demon | Efreet |
| Vampire Blood | A pure red jewel, created from drops of blood from those killed by Dracula. Mark of a demonic king. | Dracula (2nd form) | Tower of Evermore |
| White Steel | White steel, easy to come by and cheap to buy. Quite weak when used alone, but easy to work with. | Ghoul, White Gravial | |
| Wild Memory | A strange stone fragment with ancient memories carved on it. Used for simple weapons. | Fenrir, Skeleton Blaze Lv.5, Zombie | |
