The Gulper Leviathan has a similar body shape to the Reaper Leviathan, with the added addition of two arms similar to the Sea Emperor. Its long tail has two fins attached to it, as well as a longer fin located at its tip. Its overall body is also covered in bright blue bioluminescent specks. It also has a large, see-through, dorsal fin on the top of its body with multiple segments. Its arms are a similar structure to the Sea Emperors, though the end in a pink tip. Its eye is completely black