By A Mystery Man Writer
Blue Shiny Pebble is one of the pebbles needed for the Pebbled Plunder Accomplishment and can be found in the Flooded Fortress not too far from both main stairs that can be accessed from the east.
Einar - Official Palia Wiki
Gatherables, Palia Wiki
Palia(PC) - Parte 11: Como tirar qualquer Shiny Pebble e Amber Fossil no inventário
Purple Shiny Pebble - Official Palia Wiki
Palia Wiki
Introducing Paliapedia : r/Palia
Green Shiny Pebble - Official Palia Wiki
Palia - Where are Einar's Lost Pebbles (Pebbled Plunder Accomplishment)
Palia Wiki
Yellow Shiny Pebble - Official Palia Wiki
static.wikia.nocookie.net/palia/images/e/e6/Site-l
The Pebble - Official Palia Wiki
Palia(PC) - Parte 11: Como tirar qualquer Shiny Pebble e Amber Fossil no inventário
Shiny Pebble (not Large or Lumpy) : r/Palia
Blue Shiny Pebble - Official Palia Wiki