Learn how to swim in Altissia in the game Final Fantasy XV. By using a secret hidden move, you can enter the water and swim to 3 forbidden areas: Out to Sea, Down Waterfall, and the probable future forbidden DLC area. These Pro Tips require a bit of skill, but by following the step by step instruction, you can easily enter the water and swim anywhere there is water. Works on latest update (as of date of video) of Final Fantasy 15 (version 1.03). Gameplay walkthrough on PS4 Pro version of FFXV (FF15).