Each block in Minecraft has some purpose, regardless of if it's a purely cosmetic block or a workbench-type block like a crafting table, furnace, smoker, fletching table, or smithing table. Aside from ...

A conduit is a beacon that needs to be built in a 3x3x3 body of water in Minecraft. Once built it gives you “Conduit Power” that activates when the player comes in contact with either water or rain.