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The Secret Laboratory is a dungeon in Persona 4. It becomes available to investigate on September 16th after Naoto Shirogane goes missing and must be completed by October 5th.
Gameplay
After Naoto goes missing, the following must be done before the player can access the Secret Laboratory:
- Speak with the female student in front of classroom 1-1 at Yasogami High School.
- Speak with the police officer in the Northern Shopping District on Monday, Wednesday or Friday.
- Speak with Chie Satonaka at the Samegawa Flood Plain Riverbank.
- Speak with the police officer in the Northern Shopping District again.
- Speak with the housewife in front of the shrine.
- Speak with the police officer in the Southern Central Shopping District on Tuesday, Thursday or Saturday. While speaking with him, select these dialogue options:
- "Has an obsession with the case."
- "They consider him a child."
The earliest possible date that the Secret Laboratory can be properly accessed is September 17th.
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Maps
- The entrance map is called the Secret Laboratory Entrance
- Each map is called a basement floor and they are numbered B1F through B9F
- Fixed Layouts: B4F (Mini-Boss), B6F, and B9F (Boss)
Encounters
| Enemy
|
Level
|
Phys
|
Fire
|
Ice
|
Elec
|
Wind
|
Light
|
Dark
|
Almighty
|
Location(s)
|
Summoned By
|
Notes
|
| Rainy Brother 1
|
44
|
Dr
|
Dr
|
Dr
|
Wk
|
Dr
|
Nul
|
Nul
|
100
|
Secret Laboratory: B1, B2, B5, B6
|
|
Rain Spawn
|
| Rainy Sister 1
|
44
|
Dr
|
Wk
|
Dr
|
Dr
|
Dr
|
Nul
|
Nul
|
100
|
Secret Laboratory: B1 - B4
|
|
Rain Spawn
|
| Source Basalt
|
45
|
|
Wk
|
Rpl
|
Str
|
Str
|
|
|
100
|
Secret Laboratory: B1, B2
|
|
|
| Insolent Basalt
|
45
|
|
Str
|
Str
|
Rpl
|
Wk
|
|
|
100
|
Secret Laboratory: B1 - B4
|
|
|
| Constancy Relic
|
46
|
Str
|
|
|
|
|
|
Wk
|
100
|
Secret Laboratory: B1, B2
|
|
|
| Flattering Hablerie
|
47
|
|
Rpl
|
Wk
|
|
|
|
|
100
|
Secret Laboratory: B1 - B4
|
|
|
| Inviting Nyogo
|
47
|
|
Wk
|
|
|
Rpl
|
|
|
100
|
Secret Laboratory: B1, B2
|
|
|
| Royal Dancer
|
47
|
|
Str
|
Str
|
Str
|
Str
|
Wk
|
|
100
|
Secret Laboratory: B1 - B4
|
|
|
| Flowing Sand
|
47
|
|
|
Wk
|
|
Rpl
|
|
|
100
|
Secret Laboratory: B3, B4
|
|
|
| Red Sigil
|
48
|
|
Dr
|
Wk
|
Dr
|
|
Rpl
|
Rpl
|
100
|
Secret Laboratory: B3, B4
|
|
|
| Rainbow Twins
|
48
|
|
|
Wk
|
Dr
|
|
Rpl
|
|
100
|
Secret Laboratory: B3, B4, B7, B8
|
|
Rain Spawn
|
| Dogmatic Tower
|
48
|
Str
|
|
|
|
Wk
|
|
|
100
|
Secret Laboratory: B3, B4
|
|
|
| Dismayed Panzer
|
48
|
|
|
|
Nul
|
Nul
|
|
Nul
|
100
|
Secret Laboratory: B3, B4
|
|
|
| Shallow Okina
|
49
|
|
|
|
Wk
|
Dr
|
|
|
100
|
Secret Laboratory: B3, B4
|
|
|
| Furious Gigas
|
50
|
|
Rpl
|
|
|
Rpl
|
|
|
100
|
Secret Laboratory: B1 - B4
|
|
|
| Opulent Hand
|
50
|
|
Str
|
Dr
|
Dr
|
Dr
|
Nul
|
Nul
|
300
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Secret Laboratory: B1 - B8
|
|
Rare Spawn
|
| Mighty Beast
|
50
|
|
|
Wk
|
Str
|
Str
|
Wk
|
Rpl
|
100
|
Secret Laboratory: B1, B2, B5
|
|
|
| Raindrop Musha
|
51
|
|
Wk
|
Dr
|
Dr
|
Dr
|
Nul
|
Nul
|
100
|
Secret Laboratory: B5 - B8
|
|
Rain Spawn
|
| Chaos Fuzz
|
51
|
|
Wk
|
Rpl
|
Rpl
|
Rpl
|
Rpl
|
Rpl
|
100
|
Secret Laboratory: B5
|
|
|
| Wild Drive
|
51
|
Str
|
|
|
Wk
|
|
Nul
|
Nul
|
100
|
Secret Laboratory: B5
|
|
|
| World Balance
|
52
|
Str
|
Str
|
Str
|
Str
|
Str
|
Wk
|
Wk
|
100
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Secret Laboratory: B5, B6
|
|
|
| Fail Gene
|
52
|
Rpl
|
|
|
|
|
|
|
100
|
Secret Laboratory: B5, B6
|
|
|
| Immoral Snake
|
52
|
|
Wk
|
|
Dr
|
Dr
|
|
|
100
|
Secret Laboratory: B6
|
|
|
| Mach Wheel
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52
|
|
Str
|
|
Str
|
Wk
|
|
|
100
|
Secret Laboratory: B6
|
|
|
| Order Giant
|
53
|
Str
|
Nul
|
|
Wk
|
Nul
|
Wk
|
Nul
|
100
|
Secret Laboratory: B3, B4, B6, B7
|
|
|
| Wicked Turret
|
53
|
Str
|
|
|
Wk
|
Nul
|
Wk
|
Nul
|
100
|
Secret Laboratory: B5 - B8
|
|
|
| Mind Dice
|
53
|
Nul
|
|
|
|
|
Wk
|
Wk
|
100
|
Secret Laboratory: B5 - B8
|
|
|
| Fierce Cyclops
|
53
|
Wk
|
Dr
|
Dr
|
Dr
|
Dr
|
|
|
100
|
Secret Laboratory: B5 - B8
|
|
|
| Truth Pesce
|
53
|
|
Dr
|
Wk
|
Dr
|
Dr
|
|
|
100
|
Secret Laboratory: B6
|
|
|
| Power Castle
|
54
|
Rpl
|
|
|
Rpl
|
Wk
|
|
|
100
|
Secret Laboratory: B3, B4, B6, B7
|
|
|
| Jotun of Power
|
54
|
Rpl
|
Dr
|
|
Wk
|
|
|
|
100
|
Secret Laboratory: B8
|
|
|
| Elegant Mother
|
54
|
|
Wk
|
Nul
|
Str
|
Str
|
Rpl
|
Rpl
|
100
|
Secret Laboratory: B8
|
|
|
| Hell Knight
|
55
|
|
|
|
|
|
|
|
100
|
Secret Laboratory: B7, B8
|
|
|
| Dominating Machine
|
57
|
|
|
|
|
|
Nul
|
Nul
|
100
|
Secret Laboratory: B7, B8
|
|
|
Bosses
Shuffle Time: Skill Cards
| Rank
|
Area(s)
|
Skill Cards
|
|
3
|
1 - 8
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Assault Dive, Kill Rush, Twin Shot, Gale Slash, Rampage, Swift Strike, Cell Breaker, Brain Shake, Agilao, Bufula, Zionga, Garula, Mahama, Mamudo, Poison Mist, Tentarafoo, Valiant Dance, Foolish Whisper, Evil Smile, Old One, Anima Freeze, Media, Me Patra, Recarm, Fire Break, Ice Break, Wind Break, Elec Break, Dodge Physical, Dodge Fire, Dodge Ice, Dodge Wind, Dodge Elec, Fire Boost, Ice Boost, Elec Boost, Wind Boost, Counter, Regenerate 1, Invigorate 1, Growth 1, Apt Pupil
|
|
4
|
1 - 8
|
Power Slash, Cruel Attack, Crazy Chain, Mind Slice, Seal Bomb, Megido, Life Drain, Spirit Drain, Stagnant Air, Diarama, Matarunda, Masukunda, Marakunda, Dekunda, Matarukaja, Masukukaja, Marakukaja, Dekaja, Revolution, Red Wall, White Wall, Blue Wall, Green Wall, Trafuri, Null Poison, Null Dizzy, Fast Heal
|
|
5
|
1 - 8
|
Fatal End, Black Spot, Mighty Swing, Herculean Strike, Heat Wave, Atom Smasher, Maragion, Mabufula, Mazionga, Magarula, Amrita, Resist Fire, Resist Ice, Resist Elec, Resist Wind, Survive Light, Survive Dark, Evade Physical, Evade Fire, Evade Ice, Evade Wind, Evade Elec, Counterstrike, Growth 2
|
|
6
|
1 - 8
|
Torrent Shot, Vicious Strike, Blade of Fury, Aeon Rain, Poison Arrow, Mustard Bomb, Navas Nebula, Agidyne, Bufudyne, Ziodyne, Garudyne, Hamaon, Mudoon, Diarahan, Mediarama, Energy Shower, Samarecarm, Resist Physical, Endure Light, Endure Dark, Hama Boost, Mudo Boost, High Counter, Regenerate 2, Invigorate 2, Divine Grace, Cool Breeze
|
|
7
|
3 - 8
|
Gigantic Fist, Tempest Slash, Deathbound, Arrow Rain, Virus Wave, Maragidyne, Mabufudyne, Maziodyne, Magarudyne, Mahamaon, Mamudoon, Ghastly Wail, Tetraja, Endure, Fire Amp, Ice Amp, Elec Amp, Wind Amp, Ailment Boost, Auto-Tarukaja, Auto-Rakukaja, Auto-Sukukaja, Firm Stance
|
Shuffle Time: Personas
Items
|
Normal Chests
| Item
|
Location
|
 Amrita Soda
|
BF 3, 7
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| Purifying Salt
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BF 1, 5
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| Purifying Water
|
BF 4, 8
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| Assault Signal
|
BF 1, 5
|
| Cyclone Magatama
|
BF 2, 6
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| Hell Magatama
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BF 1, 5
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| Diamond Shield
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BF 3, 7
|
| San-zun Tama
|
BF 2, 6
|
| Arc Magatama
|
BF 4, 8
|
| Curse Paper
|
BF 4, 8
|
| Super Sonic
|
BF 2, 6
|
| Snuff Soul
|
BF 1-8
|
| Segaki Rice
|
BF 3, 7
|
| Soul Drop
|
BF 1-8
|
| Tesla Coil
|
BF 1, 5
|
| Dry Ice
|
BF 3, 7
|
| Balm of Life
|
BF 2, 6
|
| Hiranya
|
BF 4, 8
|
| Smart Bomb
|
BF 2, 6
|
| Physical Mirror
|
BF 4, 8
|
| Homunculus
|
BF 1-8
|
| Life Stone
|
BF 1-8
|
| Magic Mirror
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BF 3, 7
|
| Yashichi
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BF 4, 8
|
| Frost Magatama
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BF 3, 7
|
|
Locked Chests
| Item
|
Location
|
 Red Battlesuit
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BF 1, 2, 7, 8
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 Amaterasu Fob
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BF 5
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| Storm Vow
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BF 2, 7
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| Storm Pin
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BF 7
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| Safety Belt
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BF 1
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| Volt Suppressor
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BF 1, 8
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| Wind Suppressor
|
BF 2, 7
|
| Cool Beads
|
BF 2, 7
|
| Black Cat Charm
|
BF 5
|
| Sigma Drive
|
BF 2, 7
|
| Steed Strap
|
BF 2
|
| Disinfectant
|
BF 2
|
| Soul Food
|
BF 8
|
| Falcon Eye
|
BF 2, 7
|
| Earth Badge
|
BF 5
|
| Chewing Soul
|
BF 2, 7
|
| Awareness Note
|
BF 1, 8
|
 Death Scudetto
|
BF 2, 8
|
| White Feather
|
BF 5
|
| Volt Vow
|
BF 1, 8
|
| Volt Pin
|
BF 8
|
| Fire Suppressor
|
BF 5
|
| Healthy Recipe
|
BF 5
|
| Bead
|
BF 1
|
| Bead Chain
|
BF 5
|
| Blaze Vow
|
BF 5
|
| Maneki Neko
|
BF 1, 8
|
| Peach Battlesuit
|
BF 1, 7
|
| Bravery Vessel
|
BF 1
|
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Game Appearances
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Anime Appearances
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Manga Appearances
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Trivia
Nomenclature
Names in Other Languages
| Language |
Name |
Meaning
|
 Japanese
|
秘密結社改造ラボ |
Secret Society Remodeling Lab
|
Gallery
Notes
References
- General
- "Chapter 4: Dungeon", ペルソナ４ザ・ゴールデン ザ・コンプリートガイド, Compiled by the Dengeki Playstation Editorial Department. Published by ASCII Media Works (2012). Japanese. p. 208-310. ISBN-13: 978-4048866637.
