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Damage to plantlife on the seafloor suggests this may be the migration path of a huge, bottom-dwelling lifeform.
The Sea Treader's Path is characterized by a large mound of sand, rock and gravel - which actually consists of a long, wide path paved with rocks and gravel going through a dark tunnel, with many types of flora decorating along the way, including Membrain Trees. It features a grand diversity of life forms, mostly originated from its bordering biomes, such as Spadefish and Bladderfish. The stomping of the Sea Treader Leviathans can bring up shale outcrops.
There is also a rather large cave system connected to the aforementioned tunnel, with many entrances located from both inside and outside of the latter.