Persona 5 Royal - P5R Depths of Mementos Overview and Infiltration Guide

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 / Persona 5 Royal - P5R Depths of Mementos Overview and Infiltration Guide

Persona 5 Royal Palace Guides
Kamoshida Palace Madarame Palace Kaneshiro Palace
Futaba Palace Okumura Palace Niijima Palace
Shido Palace Depths of Mementos World of Qlipoth
New Palace

Guide for Depths of Mementos in Persona 5 Royal

Characters

Member Persona
Persona 5 / Persona 5 Royal - ProtagonistProtagonist Persona 5 / Persona 5 Royal - Arsene PersonaArsene
Persona 5 / Persona 5 Royal - MorganaMorgana Persona 5 / Persona 5 Royal - Zorro PersonaZorro
Persona 5 / Persona 5 Royal - Ryuji SakamotoRyuji Sakamoto Persona 5 / Persona 5 Royal - Seiten Taisei PersonaSeiten Taisei
Persona 5 / Persona 5 Royal - Ann TakamakiAnn Takamaki Persona 5 / Persona 5 Royal - Hecate PersonaHecate
Persona 5 / Persona 5 Royal - Yusuke KitagawaYusuke Kitagawa Persona 5 / Persona 5 Royal - Kamu Susanoo PersonaKamu Susano-o
Persona 5 / Persona 5 Royal - Makoto NiijimaMakoto Niijima Persona 5 / Persona 5 Royal - Anat PersonaAnat
Persona 5 / Persona 5 Royal - Futaba SakuraFutaba Sakura Persona 5 / Persona 5 Royal - Prometheus PersonaPrometheus
Persona 5 / Persona 5 Royal - Haru OkumuraHaru Okumura Persona 5 / Persona 5 Royal - Astarte PersonaAstarte

Obtainable Items

Name Location
Black Sword Prison Passageway 1
Holy Cloth Prison Passageway 3
Black Stone Prison Passageway 5
Large Bottle of Sleep x3 Prison Passageway 7

Shadow Enemies

Persona Level Arcana Personality Weakness Item Drop
Hope Diamond 40 Death Ice
Crystal Skull 50 Fool Wind
Melchizedek 58 Justice Short-tempered Wind
Moloch 60 Hanged Man Cheerful Ice
Lilith 60 Moon Bearish Fire
Chernobog 62 Death Gloomy Fire, Bless
Thor 64 Chariot Cheerful
Yamata-no-Orochi 64 Judgement Gloomy
Abaddon 75 Judgement Short-tempered King of Greed’s Dirty Armor

Mini-Boss Enemies

Mini-Boss Persona HP Skills Weakness Item Drop
Heretic Savior Melchizedek God’s Hand, Hamaon, Revolution, Masukukaja Wind
Assassin of Flame Throne Inferno, Hamaon Nuclear
Incomparable Inquisitor Dominion Magarudyne, Summon Bless

Depths of Mementos Infiltration Guide

Infiltration

Depths of Mementos Entrance – Prison Passageway 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.

← Shido Palace World of Qlipoth →

Other Palace Guides

Persona 5 Royal Palace Guides
Kamoshida Palace Madarame Palace Kaneshiro Palace
Futaba Palace Okumura Palace Niijima Palace
Shido Palace Depths of Mementos World of Qlipoth
New Palace

Persona 5 Royal Recommended Article List

Persona 5 / Persona 5 Royal Recommended Articles
News and Features Story Walkthroughs Palace Guides
Boss Guides Characters Confidants
Persona Compendium Electric Chair and Skill Cards Confidant Gift Guide

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