Slams all enemies with giant bubbles.
Breach Blast (バブルブロウ, Baburu Burou?, lit. Bubble Blow), also known as Sea Song, is a recurring ability in the series. It is the ability of the summon Bismarck, often dealing Water-elemental damage to all enemies.
Breach Blast is the ability of Bismarck, which costs 50 MP to use and deals Water-elemental damage to all enemies with a spell power of 58.
I'm detecting a huge increase in—Oh gods, brace yourselves!
Breach Blast is the signature ability of the primal Bismarck, which is used after his carapace is shattered. As he readies it, he begins circling the rocky island while a Blue Sanuwa and Green Sanuwa appear. If the two serpents are not slain before Bismarck finishes readying his skill, Breach Blast will instantly kill the entire party.
Breach Blast's was translated to Sea Song in the older translations. A sea song is a sailor's song—when expressly working songs, they are often sea shanties (a shipboard song-type which flourished in the Age of Sail's 19th century to the 20th century's first half)—as OED defined. Befitting the summon Bismarck, due to it being named after a battleship.