Crafting station
Demon Altar
Demon Altar is a Terraria crafting station. You can place it with 2 items: 
Crimson Altar and Demon Altar. It crafts 17 items: 
Ancient Hallowed Greaves, 
Ancient Hallowed Headgear, 
Ancient Hallowed Helmet and 14 more.
Recipes made here
23 recipes use it.
| Result | Ingredients |
|---|
| Ancient Hallowed Greaves | Hallowed Bar x18 |
| Ancient Hallowed Headgear | Hallowed Bar x12 |
| Ancient Hallowed Helmet | Hallowed Bar x12 |
 Ancient Hallowed Hood | Hallowed Bar x12 |
 Ancient Hallowed Mask | Hallowed Bar x12 |
 Ancient Hallowed Plate Mail | Hallowed Bar x24 |
 Bloody Spine | Vicious Powder x30, Vertebra x15 |
 Deer Thing | Flinx Fur x3, Demonite Ore x5, Lens x1 |
| Deer Thing | Flinx Fur x3, Crimtane Ore x5, Lens x1 |
 Night's Edge | Light's Bane x1, Muramasa x1, Blade of Grass x1, Volcano x1 |
| Night's Edge | Blood Butcherer x1, Muramasa x1, Blade of Grass x1, Volcano x1 |
 Replica Crimson Heart | Crimtane Bar x5, Tissue Sample x5 |
 Replica Shadow Orb | Demonite Bar x5, Shadow Scale x5 |
 Slime Crown | Gel x20, Gold Crown x1 |
| Slime Crown | Gel x20, Platinum Crown x1 |
 Suspicious Looking Eye | Lens x6 |
 The Beheaded's Head | Soul of Night x10, Shadow Candle x1, Rotten Chunk x10 |
| The Beheaded's Head | Soul of Night x10, Shadow Candle x1, Vertebra x10 |
 Void Bag | Bone x30, Jungle Spores x15, Shadow Scale x30 |
| Void Bag | Bone x30, Jungle Spores x15, Tissue Sample x30 |
 Void Vault | Bone x15, Jungle Spores x8, Tissue Sample x15 |
| Void Vault | Bone x15, Jungle Spores x8, Shadow Scale x15 |
 Worm Food | Vile Powder x30, Rotten Chunk x15 |
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How to get it
Place one of these items:
