Battleship gets stuck randomly when you mount immediately after certain attack skills. GIF shown below is just one example: [Invisible shot] >> [Battleship] >> (anything else) Right arrow key is held down the whole time. You can see a moment that my character is not moving. During that time, I can't move or use any skills. Essentially frozen. Invisible shot is just an example, also happens for other skills like Double Shot and Blank Shot.