C1131 Fight
The size of a miniature submarine. It wasn't that big. If one were to collide with an overlord shark in the sea, one would have the heart but not the strength to do so.
Although it was a metallic submarine, the power of this miniature sightseeing submarine was not very strong.
Thus, after this collision, the shark wasn't injured or scared away.
Instead, it was angered. After circling once