Dirt Walls (natural)

Dirt Walls are naturally-generating background walls found in the Underground layer. These naturally occurring walls can be destroyed with a hammer, but will drop nothing. These walls also do not stop enemies from spawning and cannot be used for proper housing.

On the, these walls can be crafted from Dirt where they can be used like other craftable walls.

History
Murs de terre (naturel) 土墙（天然）