Spider Wall

Spider Walls are a background Wall found in naturally-formed Spider Caves. It can be destroyed with a Hammer, however it will not drop any item, nor can it be crafted on the. Therefore it cannot be obtained. In the of Terraria, it can be crafted.

It has a unique abilities not found in other walls, as it has the ability to create Cobwebs over time; thusly, it can be used to farm Silk.

Trivia

 * On the background texture of the wall there seems to be a bound NPC. This could be a reference to the actual Lost Girl, or more likely the Stylist NPC as she will initially spawn (bound before rescue) within a Spider Cave.

History
Mur d'araignées 蜘蛛墙