Blue Shiny Pebble - Official Palia Wiki

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.

Shiny Pebble Decor - Official Palia Wiki

Palia - Where are Einar's Lost Pebbles (Pebbled Plunder Accomplishment)

Palia - Where are Einar's Lost Pebbles (Pebbled Plunder Accomplishment)

Official Palia Wiki

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Blue shiny pebble missing? : r/Palia

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Shiny Pebble Decor - Official Palia Wiki