Shikigami are introduced in this episode. They are sheets of paper that can be used by kekkaishi to take a certain shape to do work, or to protect someone away from the kekkaishi. Among weaker kekkaishi the shapes are usually little white pudgy human shaped figures, and among higher level kekkaishi they are usually exact replica's of the kekkaishi themselves.
The named Ayakashi that appeared in this episode were:
Tsuchigama - A monster that manipulates earth.