Kingdom Hearts 3 ReMind's Story is as convoluted as the rest of the series, so we're here to explain what happened in the Story and ending. Along with a new storyline and the return of fan-favorite Keyblades, Re:Mind has some hidden secrets buried deep after the DLC is concluded. Kingdom Hearts 3 Re:Mind DLC has launched, sending fans of the series back into the worlds of this SquareEnix/Disney hybrid. How to Get the Epilogue and Secret Ending in Kingdom Hearts 3. Final fantasy versus 13 much.. secret ending from kingdom hearts 3 had to share it with you guys. These secrets include two new secret endings and the most difficult boss fight ever put into a Kingdom Hearts game. The Secret Boss of Kingdom Hearts 3 Re:Mind is Yozora, available in the Secret Episode after completing every other challenge the DLC has to throw at the player. The final secret is related to the unlocking of the final scenario where you will have the task of completing the Re: Mind story and then finishing with the 13 Limit Cut bosses. Unlike other secret endings, "A Fragmentary Passage" is playable, much like the Final Episode, rather than simply watching from the view of a bystander. Unlike other secret endings, A fragmentary passage is playable, much like the Final Episode, rather than simply watching from the view of a bystander. How to unlock the secret ending in Kingdom Hearts 3 ReMind? Many players will likely unlock the secret ending to Kingdom Hearts 3 without even thinking about it.That said, there are a few things that players will need to do in order to reach it. Next we are going to talk a little about both endings so that we know how to differentiate them and what path to play to unlock them. "A Fragmentary Passage", also referred to as the "Secret Episode", is a secret ending exclusive to Kingdom Hearts Birth by Sleep Final Mix. A fragmentary passage, also referred to as the Secret Episode (シークレットエピソード Shīkuretto Episōdo), is a secret ending exclusive to Kingdom Hearts Birth by Sleep Final Mix. For starters, players need to make sure that they have at least downloaded update 1.03 of Kingdom Hearts 3, which includes the secret video.. Unlocking the video requires more than just an update, though.