Persona 5 Strikers - Jail of the Abyss Accomplice Boss Guide

WARNING: THIS CONTENT CONTAINS STORYLINE-RELATED SPOILERS

Boss guide for the Jail of the Abyss Accomplice in Persona 5 Strikers (P5S). This includes the boss enemy's strengths and weaknesses, stats and skills, and recommended battle strategies.

Persona 5 Strikers - Jail of the Abyss Koun Ichinose Accomplice of EMMA Boss Guide

Guide on How to Defeat Accomplice of EMMA

Persona 5 Strikers - Jail of the Abyss Koun Ichinose Accomplice of EMMA Boss Guide

The Accomplice of EMMA or Kuon Ichinose is the sixth boss enemy the Phantom Thieves must defeat in Persona 5 Strikers (or Persona 5 Scramble). Kuon will not engage the Phantom Thieves in battle but rather call out her Shadow minions. The boss is encountered at Jail of the Abyss, a Metaverse version of Tokyo Tower’s underground area.

All Jail Monarchs Jail of the Abyss

Trophies

Trophy How to Unlock
PlayStation 4 - Bronze TrophyHumanity’s Companion Clear Jail of the Abyss.

Trophies List

Accomplice of EMMA Information

Here is a breakdown of the boss’ stats, strengths and weaknesses, and skills:

Berserk Sophie Stats

Stagger Gauge None
Target Date August 28th (8/28)
Recommended Level Level 65 or higher
Recommended Party Members Joker and any party members

Hundred-Armed Watcher Stats

Stagger Gauge 8
Target Date August 28th (8/28)
Recommended Level Level 65 or higher
Recommended Party Members Joker, Panther, Fox, and Noir (First Phase)
Joker, Panther, Noir, and Sophie (Second Phase)
EXP Rewards 18,550 exp (Main Story)
Yen Rewards 109,200 yen (Main Story)

Berserk Sophie Strength and Weaknesses

Persona 5 Strikers - Physical Attacks Icon Persona 5 Strikers - Gun Attacks Icon Persona 5 Strikers - Fire Attacks Icon Persona 5 Strikers - Ice Attacks Icon Persona 5 Strikers - Electric Attacks Icon Persona 5 Strikers - Wind Attacks Icon
Persona 5 Strikers - Psy Attacks Icon Persona 5 Strikers - Nuke Attacks Icon Persona 5 Strikers - Bless Attacks Icon Persona 5 Strikers - Curse Attacks Icon Persona 5 Strikers - Almighty Attacks Icon Technical
Strong Weak

Hundred-Armed Watcher Strength and Weaknesses

Persona 5 Strikers - Physical Attacks Icon Persona 5 Strikers - Gun Attacks Icon Persona 5 Strikers - Fire Attacks Icon Persona 5 Strikers - Ice Attacks Icon Persona 5 Strikers - Electric Attacks Icon Persona 5 Strikers - Wind Attacks Icon
Resist
Persona 5 Strikers - Psy Attacks Icon Persona 5 Strikers - Nuke Attacks Icon Persona 5 Strikers - Bless Attacks Icon Persona 5 Strikers - Curse Attacks Icon Persona 5 Strikers - Almighty Attacks Icon Technical
Weak Strong

Berserk Sophie Skills

Skill Skill Effect
Yoyo Attack Attack from Sophie’s yoyo.

Hundred-Armed Watcher Skills

Skill Skill Effect
Swift Strike Light Physical damage to a wide range 3x to 4x.
Tarukaja Buff attack power of 1 ally for a certain period of time.
Endure Survive one fatal blow with 1 HP remaining.
Triple Down Light Gun damage to a wide range 3x.
Attack Master Automatic Tarukaja on user at start of battle.

*Boss attacks are based from the Persona version of the boss. To be updated if needed.

Berserk Sophie Party Build and Strategies

Persona 5 Strikers - Jail of the Abyss Koun Ichinose Accomplice of EMMA Berserk Sophie Party Build and Mini-Boss Strategies

Here is a breakdown of the battle strategies against the boss:

Party Build

We recommend any party member for this scripted boss fight.

Use Curse Attacks

Persona 5 Strikers - Jail of the Abyss Koun Ichinose Accomplice of EMMA Berserk Sophie Use Curse Attacks

Sophie is weak to Curse attacks which Joker can capitalize. However, don’t use elemental attacks to deal damage since this is a scripted battle.

Use Normal Attacks

Persona 5 Strikers - Jail of the Abyss Koun Ichinose Accomplice of EMMA Berserk Sophie Use Normal Attacks

Deal normal melee attacks to Sophie in order to conserve SP. You don’t need to deplete Sophie’s whole HP bar to zero since this is a scripted battle.

After the battle and a cutscene, your party returns to Jail of the Abyss. Your party will eventually return to the this area to face the next boss.

Hundred-Armed Watcher Party Build

Here is our recommended party member setup against the shadow enemies and the boss.

First Phase: Wave of Shadows

This stage involves fighting waves of shadows so we recommend an Ailment-centric team.

Member Persona Essential Skills Notes
Persona 5 Strikers - Protagonist JokerJoker Persona 5 Strikers - Character ListArsene Damage: Agidyne or Maragidyne (Fire), Bufudyne or Mabufudyne (Ice), Psiodyne or Mapsiodyne (Psy) Has access Fire, Ice, Psychokinesis skills and multiple Ailment skills from other Personas obtained or fused. Can also play the role of healer, buff caster, and debuff caster.
Recovery: Diarahan or Mediarahan, Recarm or Samercarm, Amrita Drop or Amrita Shower
Buff: Matarukaja, Marakukaja, Masukukaja, Dekaja, Heat Riser, Charge, Concentrate
Ailment: Marin Karin or Brain Jack, Evil Touch or Evil Smile, Taunt
Debuff: Tarunda, Rakunda, Sukunda, Debilitate
Persona 5 Strikers - Ann Takamaki PantherPanther Persona 5 Strikers - Carmen Persona Stats and SkillsCarmen Damage: Agidyne or Maragidyne (Fire) Has access to Fire skills. Can use Ailment skills like Marin Karin or Brain Jack to Brainwash enemies. Can use a debuff skill like Tarunda to reduce the enemy attack power. Can also use healing skills.
Recovery: Diarama or Diarahan
Buff: Concentrate
Ailment: Marin Karin or Brain Jack
Debuff: Tarunda or Matarunda, Dekaja
Persona 5 Strikers - Yusuke Kitagawa FoxFox Persona 5 Strikers - Goemon Persona Stats and SkillsGoemon Damage: Myriad Slashes, Brave Blade or Sword Dance (Phys), Bufudyne or Mabufudyne (Ice) Has access to Ice and Physical skills. Inflicts Freeze on enemies that causes them to take increased damage from Physical and Gun attacks. Can use an Ailment skill like Taunt to inflict Rage on enemies. Can use a buff support skill like Sukukaja to increase an ally’s evasion/critical evasion in battle.
Ailment: Taunt
Buff: Sukukaja or Masukukaja
Persona 5 Strikers - Haru Okumura NoirNoir Persona 5 Strikers - Milady Persona Stats and SkillsMilady Damage: Hysterical Slap (Phys), Triple Down or One-shot Kill (Gun), Psiodyne or Mapsiodyne (Psy) Has access to Psychokinesis, Physical, and Gun skills. Inflicts Technical Damage from Status Ailments and Freeze. Can use an Ailment skill like Evil Touch or Evil Smile to inflict Fear on enemies. Can also use a buff skill like Heat Riser to support an ally in battle.
Recovery: Amrita Drop or Amrita Shower
Ailment: Evil Touch or Evil Smile
Buff: Heat Riser

Second Phase: Hundred-Armed Watcher Boss Fight

Before the second phase, you have the option to change your party members. Sophie will be locked party member together with Joker. We suggest retaining an Ailment-centric team.

Member Persona Essential Skills Notes
Persona 5 Strikers - Protagonist JokerJoker Persona 5 Strikers - Character ListArsene Damage: Kouga or Kougaon (Bless) Has access Bless skills from other Personas obtained or fused. Can also play the role of healer, buff caster, and debuff caster.
Recovery: Diarahan or Mediarahan, Recarm or Samercarm, Amrita Drop or Amrita Shower
Buff: Matarukaja, Marakukaja, Masukukaja, Heat Riser, Dekaja, Charge, Concentrate
Debuff: Tarunda, Rakunda, Sukunda, Debilitate
Persona 5 Strikers - Ann Takamaki PantherPanther Persona 5 Strikers - Carmen Persona Stats and SkillsCarmen Damage: Agidyne or Maragidyne (Fire) Has access to Fire skills that Hundred-Armed Watcher does not have resistances against. Can use Ailment skills like Marin Karin or Brain Jack to Brainwash enemies. Can use a debuff skill like Tarunda to reduce the enemy attack power. Can also use healing skills.
Recovery: Diarama or Diarahan
Buff: Concentrate
Ailment: Marin Karin or Brain Jack
Debuff: Tarunda or Matarunda, Dekaja
Persona 5 Strikers - Haru Okumura NoirNoir Persona 5 Strikers - Milady Persona Stats and SkillsMilady Damage: Hysterical Slap (Phys), Triple Down or One-shot Kill (Gun), Psiodyne or Mapsiodyne (Psy) Has access to Physical and Psychokinesis skills that Hundred-Armed Watcher does not have resistances against. Inflicts Technical Damage from Status Ailments. Can use an Ailment skill like Evil Touch or Evil Smile to inflict Fear on enemies. Can also use a buff skill like Heat Riser to support an ally in battle.
Recovery: Amrita Drop or Amrita Shower
Ailment: Evil Touch or Evil Smile
Buff: Heat Riser
Persona 5 Strikers - Sophie SophiaSophia Persona 5 Strikers - Pandora Persona Stats and SkillsPandora Damage: Kouga or Kougaon (Bless) Has access to Bless skills which Hundred-Armed Watcher is weak against. Can use healing and a debuff skill like Rakunda to reduce the enemy defense power.
Recovery: Diarama or Mediarama, Recarm
Debuff: Rakunda or Marakunda, Tetraja
Persona Compendium Phantom Thieves Battle Ratings 

Hundred-Armed Watcher Hecatoncheires Strategies

Persona 5 Strikers - Jail of the Abyss Koun Ichinose Accomplice of EMMA Hundred-Armed Watcher Hecatoncheires Boss Strategies

Here is a breakdown of the battle strategies against the boss:

Carry HP and SP Recovery Items

Before engaging the boss, make sure that you have a stock of HP and SP recovery items. These items can be bought from accessible shops and restaurants. You can also buy ingredients from Sophia’s Shop and other real world stores. Then, cook these ingredients for additional HP and SP items through Joker’s Kitchen.

Joker’s Kitchen Guide

Inflict Mental and Status Ailments

Persona 5 Strikers - Jail of the Abyss Koun Ichinose Accomplice of EMMA Hundred-Armed Watcher Hecatoncheires Inflict Status Ailments Brain Jack

During the first phase, start inflicting status effects to enemy shadows. Use Panther’s Marin Karin or Brain Jack to covert shadow enemies into temporary allies. You can also use Noir’s Evil Touch or Evil Smile to make shadows unable to move or take actions against your party. Lastly, utilize Fox’s Taunt to prevent enemy Personas in using elemental attacks to your party.

Deal Technical Damage using Psy Attacks

Once enemies are inflict with mental ailments, deal technical damage by using Psychokinesis attacks. Switch between Joker and Noir to avoid running out of SP. You can make use also of status ailments such as Burn and Freeze.

Land Debuffs

Persona 5 Strikers - Jail of the Abyss Koun Ichinose Accomplice of EMMA Hundred-Armed Watcher Hecatoncheires Land Debuffs

After the waves of shadows are cleared, the Accomplice of EMMA will summon a Hundred-Armed Watcher in an attempt to finish off the Phantom Thieves. Start the second phase by land multiple debuffs on Hundred-Armed Watcher and other shadows. Debuffs can be in the form of attack decrease (Tarunda or Matarunda), defense decrease (Rakunda or Marakunda), and evasion/critical evasion decrease (Sukunda or Masukunda). You may also use Debilitate for an all-in-one debuff. These debuffs can be accessed by Joker (from Arsene and other Personas), Panther, and Sophie.

Cast Buffs

Persona 5 Strikers - Jail of the Abyss Koun Ichinose Accomplice of EMMA Hundred-Armed Watcher Hecatoncheires Cast Buffs

Follow-up the debuffs with party member buffs. Buffs can be in the form of attack increase (Tarukaja or Matarukaja), defense increase (Rakukaja or Marakukaja), and evasion/critical evasion increase (Sukukaja or Masukukaja). Another option is by using Heat Riser which is an all-in-one buff. These buffs can be accessed by Joker (from other Personas) and Noir. You may also use Charge and Concentrate buffs to boost your damage even further if available. The buffs can be accessed by Joker (from other Personas) and Panther.

Use Bless Attacks

Persona 5 Strikers - Jail of the Abyss Koun Ichinose Accomplice of EMMA Hundred-Armed Watcher Hecatoncheires Use Bless Attacks

Hundred-Armed Watcher is weak to Bless attacks which Sophie and Joker can capitalize. Adjust Sophia’s direction properly so that the area of effect reaches as many mobs as possible. After fine tuning your position, have Sophia face the boss. Use a Bless skill to dish out some good damage while the other characters keep the boss busy.

After whittling the boss down, perform an All-Out Attack to bring it over by roughly a quarter of health. Don’t forget to use a recovery skills or items for yourself and an ally or two. Unless the boss is distracted, circle around it and stick to its side. Use a Bless attacks again when you are on the safe side. Bring it down to less than half to gain access to another All-Out Attack. The combined moves should be enough to bring Hundred-Armed Watcher down its knees which gives you an opportunity to finish it off with a combo or two.

Unleash Showtime Attacks

When it’s available, unleash the showtime attack against the boss. If Joker’s showtime attack is available, make sure he has the right Persona that can capitalize on the weakness of the boss. Also, there is a consumable item that will quickly boost your Showtime gauge build up so feel free to use it against the boss.

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Other Bosses

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All Jail Monarchs

▼All Jail Monarchs
Shibuya Jail Monarch Sendai Jail Monarch Sapporo Jail Monarch
Kyoto Jail Monarch Osaka Jail Monarch Jail of the Abyss Accomplice
False God Demiurge - -

Lock Keepers

▼All Lock Keepers
Shibuya Jail Lock Keeper Sendai Jail Lock Keeper Sapporo Jail Lock Keeper
Okinawa Jail Lock Keeper Osaka Jail Lock Keeper -

Powerful Shadows

▼All Powerful Shadows
Fratricidal Destroyer Seth Guard Dog of Hades Cerberus Monarch of Snow King Frost
Fallen Snowman Black Frost Brilliant Dragonslayer Siegfried Throbbing King of Desire Mara
Shadow of God Metatron Reaper Secret Boss -

Dire Shadows

▼All Dire Shadows
Killer Teddy Bear Bugbear Snake King Raja Naga Harlot of Desire Lilith
Wandering Reviver Nebiros Sun's Emissary Yatagarasu War-Hungry Horseman Eligor
Dark Sun Mithras Heavenly Punisher Archangel -

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