Which is better to improve the engine parts of Normandy, the peak battleship?

Attack site. In the game "Battleship Peak", Normandy is an extremely powerful warship with high speed and high defense, but its attack power is slightly weak, which needs to be improved into an attack component engine accessory. Peak Battleship, a 3D simulated naval competitive mobile game, is the second product exposed in the 20 16 war trilogy series, and it is a TPS competitive naval mobile game.