- "I guess our proper boy detective isn't as grown-up as he looks."
- —Yosuke Hanamura at the entrance
Secret Laboratory (秘密結社改造ラボ, Himitsu Kessha Kaizō Rabo)? is a dungeon in Persona 4. Spawned off within the Midnight Channel by Naoto Shirogane's true feelings, it resembles a sci-fi secret base; according to Kanji Tatsumi, the base seems to be inspired by those on shows.
- Background Music: "Secret Base"
- Available: September 17
- Deadline: October 5
- Victim: Naoto Shirogane
- Floors: 9
To unlock the dungeon, go to the High School and talk to a girl in front of Classroom 1-2. Then, speak with a girl at the Practice Building. Next, talk to a cop at the Shopping District, North near Konishi Liquors - he is available on Mondays, Wednesdays and Fridays. Later, talk to Chie at the Samegawa Flood Plain Riverbed, and then talk to the cop again - who reveals Naoto's "obsession" towards the cases. Next, speak with the housewife standing in front of the Tatsuhime Shrine, and go to the Shopping District South on Tuesdays, Thursdays and Saturdays to speak with a cop who talks about Naoto being "treated like a child". With these two clues, the dungeon's location is revealed.
Aptly named the Secret Laboratory, the dungeon is different from previous ones where the floors go down instead of up. As the Team continues downwards they are given warnings to turn back. Rise interprets this as Naoto's refusal to mix with other people. On the sixth basement floor, the Team is stopped by a locked door requiring the Leader Card. The Team explores the dungeon to find the Research Card (in a treasure chest), and goes back a few floors until they find a locked door on the fourth basement floor. This leads to a Boss guarding the Leader Card.
After successfully defeating the "Dominating Machine", the Team continues on until the final basement where they find Naoto confronting her other self. The "Other Naoto" spells out everything, most surprisingly the fact that Naoto is, in fact, not male. Naoto refuses to accept her other self and a fight against her shadow commences. Later, Naoto realizes that everyone must accept his or her true self and continue on with life, regardless of their appearance or personality.
This concludes their rescue, but Naoto's words before succumbing to fatigue are sound and true; the case is far from over.
In the Persona 4 The Animation, the Secret Laboratory is destroyed by Beelzebub's Megidolaon.
|Death Scudetto||Kanji weapon||Red Battlesuit||Male armor||Peach Battlesuit||Female armor||Spirit Hachimaki||Accessory||Black Cat Charm||Accessory|
|Iron Charm||Accessory||Steed Strap||Accessory||Maneki Neko||Accessory||Ryumyaku Brace||Accessory||Amaterasu Fob||Accessory|
|Moon Potpourri||Accessory||Blaze Vow||Accessory||Blaze Pin||Accessory||Fire Suppressor||Accessory||Blizzard Vow||Accessory|
|Blizzard Pin||Accessory||Ice Suppressor||Accessory||Volt Vow||Accessory||Volt Pin||Accessory||Volt Suppressor||Acessory|
|Storm Vow||Accessory||Storm Pin||Accessory||Wind Suppressor||Accessory||White Feather||Accessory||Black Feather||Accessory|
|Falcon Eye||Accessory||Sigma Drive||Accessory||Awareness Note||Accessory||Patient Collar||Accessory||Earth Badge||Accessory|
|Sorcerer's Mark||Accessory||Reprisal Chain||Accessory||Blessed Hands||Accessory||Disinfectant||Accessory||Tranquil Buddha||Accessory|
|Bravery Vessel||Accessory||Disguise Mask||Accessory||Cool Beads||Accessory||Healthy Recipe||Accessory||Kid's Hachimaki||Accessory|
|Safety Belt||Accessory||Book of Serenity||Accessory||Bead||Item||Bead Chain||Item||Chewing Soul||Item|
|Soul Food||Item||Soma||Item||Chest Key x3||Item|
|Peach Seed||Life Stone||Soul Drop||Snuff Soul||Revival Bead|
|Balm of Life||Hiranya||Amrita Soda||Purifying Water||Purifying Salt|
|Physical Mirror||Magic Mirror||Assault Signal||Diamond Shield||Super Sonic|
|Homunculus||Vanish Ball||Goho-M||San-zun Tama||Hell Magatama|
|Dry Ice||Frost Magatama||Tesla Coil||Arc Magatama||Yashichi|
|Cyclone Magatama||Segaki Rice||Curse Paper||Smart Bomb||Chest Key|
Shuffle Time PersonasEdit
|34||Gorgon||Empress||34||Setanta||Emperor||34||Yamata no Orochi||Moon|
|Dominating Machine||53||3070||300||Ice*||Phys*, Alm*, Fi*, El*, Wi*||Light, Dark||-||-||B4|
|Shadow Naoto||55||5500||1800||Elec||Fire||Light, Dark||-||-||B9|
|Extreme Vessel||57||4800||3000||Wi, Fi*, Ic*, El*||Phys, Alm||Light, Dark||-||-||B9|
- Extreme Vessel appears from October 6th onwards.
- * - Indicates hidden attributes, moves over for more info.
- After entering Secret Laboratory one of the dialogue choices is "I do not comprehend" which is the catch phrase of Gale from the Digital Devil Saga series.