The Clamstack is a harvestable that can be found in the Frontier. It can be found from various sources and locations throughout the Frontier including but not limited to:
- Being harvested from Ancient Forest, Coral Bay, Matumada, Pebble Bay, Starry Point, The Far Coast, and The Long Coast.
In appearance, the Clamstack is a stack of clams toppling on each other. A white pearl can be seen in the center of an opened clam. If the player has no purpose for the Clamstack, it can be sold for 2,500 gold.