So it wasn't over. I played with the Battleship in Maze in a similar fashion. In my third attempt, I bring this video. Battleship can be harder to use in Maze but when there are enough spacious areas on the map, it is possible to be used a lot better.

Build: 0/0/0/7/7/7/6/6

Free songs to use:
Ethan Meixsell - Rabid https://www.youtube.com/watch?v=obKibVPWmuY (Track 1)
Silent Partner - Cut It https://www.youtube.com/watch?v=JvVPzjceDns (Track 3)

Other Music from Epidemic Sound (http://www.epidemicsound.com) (Tracks 2,4)