The elemental silently nods to Dot and disappears into the wall where the ribbon leads. While she waits, Dot examines the wall spot, quickly finding that there is a secret door there. A few more moments of searching reveal a clasp to release it.
At that point, the elemental comes back through, replying to Dot in the tongue of the earth
@Dot, and those who can speak what language earth elementals speak
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A passage leading east from this door. It continues for about 90 feet east. There are two branches off it to the north