Switch I Am Setsuna Switch-exclusive free DLC ‘Temporal Battle Arena’ launches April 13 Due out as a downloadable patch. The free downloadable content for the Switch version of I Am Setsuna, called “Temporal Battle Arena,” will launch this Thursday, April 13 as a downloadable patch, Square Enix announced. The patch adds a new party-on-party coliseum battle mode to the game, allowing players to upload their own battle data for other players to download and battle. Read more about the content here.I Am Setsuna launched for Switch on March 3. It is also available for PlayStation 4 and PC. Watch a trailer below.