The Proto Stone Elemental is the first boss you encounter in the tier 1 dungeon, Abandoned Storage Cave.
It is located centrally in the dungeon in a wide open area, where it will spawn small turrets around itself and attack from within the area of the turrets.
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Proto Rock Elemental | 300 | 550 |  Fragile Stone Totem,  Primitive Pick,  Unbalanced Bow,  Weathered Staff,  Scarred Sword,  Brittle Daggers,  Tower Plate,  Tower Mantle,  Tower Leathers, Tower Sabaton,  Tower Boots,  Survivor's Burden,  Survivor's Bond,  Abandoned Storage Cave Key
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