Artificial Altar is a crafting station added by AlchemistNPC mod.
It acts just as a normal Altar would do, except it's craftable, don't spawn Hardmode ores on break and lets you move it around freely.
|Ebonstone Block (50)|
|Rotten Chunk (15)|
|Battle Potion (5)|
|Thorns Potion (5)|
Ebonstone Block and Rotten Chunk can be replaced wiht their respective substitute if there is Crimson in your world.