Silvette

Location
is the Mystery Merchant you will find in various locations around Sylvanoth.
 * Dragonfall
 * Ceravin Point in Darkquaver Woods
 * near Grotto of Lost Souls teleportal
 * Dakonan Overwatch in Susurrus Woods
 * Camp Umbra
 * Crimson Hammer Camp in Amena Quatla
 * Accipiter Watchpost
 * Scythera Fae
 * Arcanum Post in Faeglen, southeastern part of Seeliewood

Mystery Merchant Shop
's shop information can be found in this list here

Trivia
The only Difference in the all of Arborea's Goblin merchants in the color of their backpack. has a what color Backpack?