Persona 5 / Persona 5 Royal - P5R Depths of Mementos Overview and Infiltration Guide – SAMURAI GAMERS (2024)

A complete walkthrough and strategy guide of Depths of Mementos in Persona 5 Royal. This includes a list of characters, obtainable items, equipment, enemies, infiltration guides, and a boss strategy guide for Holy Grail.

Persona 5 Royal Palace Guides

Guide for Depths of Mementos in Persona 5 Royal

Characters

Obtainable Items

Shadow Enemies

Mini-Boss Enemies

Depths of Mementos Infiltration Guide

Infiltration

Depths of Mementos Entrance – Prison Passageway 1

1. 1. Head to the locked exit to the north for a cutscene. You will then enter the next area.
   2. Go south to the next exit for another cutscene. Afterwards, approach the crowd for another custcene.

1. Walk southwest and jump on the platform on the east. Continue going southeast on the platforms and enter the next area through the opening to the east.
2. Follow the path going north for a cutscene. Afterwards, prepare to battle the two Melchizedek.
3. Head north and check the startup panel on the northwest corner of the area. To complete the puzzle, position yourself on the startup panel. Walk east, east, south, west, south, west, north, and north again. Access the startup panel again to complete the puzzle.
4. Afterwards, go north and then east. Follow the path turning south until you come up to a platform that lets you use the grappling wire. Aim it toward the next platform to the west to find a chest containing Black Sword.
5. Backtrack and move to the next passageway by going to the north exit.

Prison Passageway 2

1. Go north and west to find another platform puzzle to clear. Access the startup panel first. Afterwards, walk east, north, south, east, east, south, west, west, east, west, and west. Use the startup panel again to complete the puzzle.
2. Walk west and north to find a safe room. Save if you need to.
3. Leave the safe room and walk northeast. Access the startup panel and walk, south, south, east, south, north, west, north, east, west, and north. Use the startup panel again to open exit north going to the next area. Afterwards, head for the exit to the east to reach the next prison passageway.

Prison Passageway 3

1. Go north for a custcene. Prepare to battle three waves of Shadows afterwards. You can also use a smokescreen to avoid having to deal with them.
2. Keep moving north until you see the path branch to the east. Follow it to a platform where you can use the grappling hook. Aim it to the platform ahead. Afterwards, walk west to find a treasure chest containing Holy Cloth.
3. Head to the exit to the northwest to reach the next passageway.

Prison Passageway 4

1. Head west to find a safe room. Save your game and head out.
2. Go southwest and prepare to battle Throne. Afterwards, get the Vermilion Disk from the triangular Shining Disk on the west side of the area.
3. Go north to find another panel puzzle. Access the startup panel and walk south, west, south, south, east, east, north, west, east, north, south, north, west, east, west, and north. Head to the next area by going through the exit past the startup panel.

Prison Passageway 5

1. Walk north and prepare to battle three Dominion.
2. Afterwards, continue north and west. Use the safe room to save.
3. Go to the southwest path and push on west. Go south at the end of the path and walk until you reach a platform to use the grappling wire. Get Black Stone form the chest there
4. Backtrack and go northeast. Access the startup panel to begin another puzzle. Walk west, west, south, south, east, east, north, and north. Check the startup panel again to complete the puzzle.
5. Go east and through the exit to the north to reach the next prison passageway.

Prison Passageway 6

1. Go north and west. Access the startup panel and clear the next puzzle by walking east, south, east, west, west, east, west, west, north, and east. Check the startup panel again and get the Reddish Disk from the Shining Disk.
2. Backtrack south and go west. Access the other startup panel. Walk south, east, east, north, west, west, north, east, east, south, west, and west. Check the startup panel again clear the puzzle.
3. Head to the southwest exit to reach the next prison passageway.

Prison Passageway 7

1. You will need to clear three more panel puzzles in the area. For the puzzle to the east, walk south, north, north, east, west, south, north, and south. For the one to the west, walk south, south, east, east, north, north, west, and west. For the one to the north, walk west, west, south, south, south, east, north, north, north, south, north, and east.
2. Move a little ways north to find a safe room. Use it to save if you need to. Afterwards, go south and west to find a platform to use the grappling wire. Get Large Bottle of Sleep x3 from the chest there. Move to the next platform to the south and aim the grappling wire east to return to the previous area.
3. Go north past the safe room to reach the shrine

Path to the Shrine

1. Use the grappling wire to go over the gap. Afterwards, move north to reach the temple’s interior.
2. Descend to the lower area for a custscene.
3. Prepare for a battle against the Treasure of Mementos.

Treasure of Mementos Boss Battle (Scripted)

The battle against the Treasure of Mementos is scripted. You only need to damage it until it turns gold after constantly healing itself with Will of the People. Its only attack is Arrow of Light deals almighty damage to one target.

Justine and Caroline Boss Battle (Scripted)

After the battle against the Treasure of Mementos, you will need to go up against Justine and Caroline in the Velvet Room. You can talk to each member of the party in the prison cells if you want before initiating another scripted battle with the twins by going north.

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