Endings in Persona 5
This page contains a guide on how to get the different endings in Persona 5. Making the right choices during some minor parts in the story will affect the ending that you will get, so choose wisely in order to get the ending that you want. Do not read further if you do not want to get spoiled.
Bad Ending 1
This ending is fairly easy to get, as you only have to wait for the deadline of the Palace without collecting the treasure inside.
Bad Ending 2
After finishing Niijima Palace, there is a conversation between you and Sae Niijima that will take place. The conversation choices that you need to make is about revealing who your collaborators are in the Phantom Thieves and also helping the enemy.
Bad Ending 3
The third bad ending involves making the wrong decision on the day of the final dungeon. Choose the option “Is it really the right world?*” during the conversation.
*based on the Japanese translation
The good ending is doing the exact opposite of what you did for the bad endings. You have to complete each Palace, you have to select the right choices during a conversation with Sae Niijima (never revealing who your collaborators are and refusing to work with the enemy) and choosing the correct option during the day of the final dungeon.
Also, to get this ending you must have also explored the deepest parts of the Mementos Dungeon. It is not required for you to finish the dungeon itself, but you must reach at least more than 2 floors of the dungeon.