Near impossible to hit without completing Bridge Puzzle
Impossible to be harmed by when the Bridge raises
The Bass only appear in the Akropolis Tower bridge. It is a mutated fish NMC. If the bridge puzzle is solved (561), they are of zero consequence.
If the puzzle is not solved, Bass can deal a lot of damage to Aya as she walks through the water as they take passes at her. Also, it is impossible to attack them as their attacks cause Aya to recoil and they are fairly fast.