Persona 5 Strikers - Sendai Jail Lock Keeper Mini-Boss Guide

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

Persona 5 Strikers - Sendai Jail Lock Keeper Sword Mini-Boss Guide

Guide on How to Defeat Sword Lock Keeper

Persona 5 Strikers - Sendai Jail Lock Keeper Sword Mini-Boss Guide

The Sendai Jail Lock Keeper is the second Lock Keeper mini-boss enemy the Phantom Thieves must defeat in Persona 5 Strikers (or Persona 5 Scramble). The mini-boss is encountered at the Trauma Cell overlaying the Metaverse version of Arcade City’s Gatorre Coffee Shop in Sendai.

All Lock Keepers Sendai Jail

Clear Rewards

Persona 5 Strikers - Sendai Jail King Monarch Shadow Ango Natsume Nightmare Dragon Ango Boss Guide

Once you defeated the Sendai Jail Lock Keeper, you can now access the boss fight against the Sendai Jail King or Monarch.

Sendai Jail Monarch Boss Guide

Trophies

Trophy How to Unlock
PlayStation 4 - Bronze TrophyCage of Vanity Conquered Clear Sendai Jail.

Trophies List

Sendai Jail Lock Keeper Information

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

Sendai Jail Lock Keeper Stats

Stagger Gauge 8
Target Date August 3rd (8/3)
Recommended Level Level 20 or higher
Recommended Party Members Joker, Fox, Noir, and Sophie
EXP Rewards 1,800 exp (Main Story)
Yen Rewards 12,480 yen (Main Story)

Sendai Jail Lock Keeper 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
Weak
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 Weak Weak

Sendai Jail Lock Keeper Skills

Skill Skill Effect
Teleport Sinks and automatically teleport to another spot in the battle field.
Dazzler High chance of inflicting Dizzy to a narrow range.
Taunt High chance of inflicting Rage to a narrow range.

Sendai Jail Lock Keeper Party Build

Here is our recommended party member setup against the mini-boss. You can choose other party members if you want to.

Member Persona Essential Skills Notes
Persona 5 Strikers - Protagonist JokerJoker Persona 5 Strikers - Character ListArsene Damage: Eiha/Eiga or Maeiha (Curse), Bufu/Bufula or Mabufu (Ice), Kouha/Kouga or Makouha (Bless) Has Curse from Arsene, Ice, and Bless skills from other Personas obtained or fused. Can also play the role of healer, buff caster, and debuff caster.
Recovery: Dia/Diarama or Media, Recarm, Amrita Drop
Buff: Tarukaja, Rakukaja, Sukukaja
Debuff: Tarunda, Rakunda, Sukunda
Persona 5 Strikers - Yusuke Kitagawa FoxFox Persona 5 Strikers - Goemon Persona Stats and SkillsGoemon Damage: Giant Slice or Vicious Strike (Physical), Bufu or Mabufu (Ice) Has access to Ice skills that the Lock Keeper is weak against. Has access to Physical skills that the Lock Keeper does not have resistances against. Inflicts Freeze status ailment on the Lock Keeper that causes it to take increased damage from Physical and Gun attacks. Can use a buff skill like Sukukaja to increase an ally’s evasion/critical evasion in battle.
Buff: Sukukaja
Persona 5 Strikers - Haru Okumura NoirNoir Persona 5 Strikers - Milady Persona Stats and SkillsMilady Damage: Hysterical Slap (Phys), Snap (Gun), Psi or Mapsi (Psy) Has access to Physical, Gun, and Psychokinesis skills that the Lock Keeper does not have resistances against. Also, Physical and Gun attacks from Noir can deal Technical damage to the Lock Keeper when afflicted with Freeze status ailment.
Recovery: Amrita Drop
Persona 5 Strikers - Sophie SophiaSophie Persona 5 Strikers - Pithos Persona Stats and SkillsPithos Damage: Kouha or Makouha (Bless) Has access to Bless skills which the Lock Keeper is weak against. Can use a debuff skill like Rakunda to reduce the enemy defense power. Can also use healing skills.
Recovery: Dia/Diarama or Media
Debuff: Rakunda
Persona Compendium Phantom Thieves Battle Ratings 

Sendai Jail Lock Keeper Strategies

Persona 5 Strikers - Sendai Jail Lock Keeper Sword Mini-Boss Strategies

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

Carry SP Recovery Items

Before engaging the boss, bring a stock of HP and SP recovery items. These items can be bought from accessible vending machines, food stands, store, 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

Land Debuffs

Persona 5 Strikers - Sendai Jail Lock Keeper Sword Use Ice Attacks

Start the battle by landing multiple debuffs on the Lock Keeper. Debuffs can be in the form of attack power decrease (Tarunda), defense power decrease (Rakunda), and evasion/critical evasion decrease (Sukunda). These debuffs can be accessed by Joker (from Arsene and other Personas) and Sophie.

Cast Buffs

Follow-up the debuffs with party member buffs. Buffs can be in the form of attack power increase (Tarukaja), defense power increase (Rakukaja), and evasion/critical evasion increase (Sukukaja). These buffs can be accessed by Joker (from other Personas) and Fox.

Cure Inflicted Ailments

If a party member got inflicted with a status or mental ailment such as Dizzy or Rage, make sure that you have access to a Status Recovery skill called Amrita Drop or Amrita Shower to cure it. You can also use status recovery items to remove the status or mental ailment if available. Status Recovery skills can be accessed by Joker (from other Personas) and Noir.

Use Ice, Bless, and Curse Attacks

Persona 5 Strikers - Sendai Jail Lock Keeper Sword Use Ice Attacks

The Sword Lock Keeper is weak to Ice, Bless and Curse attacks which Fox, Sophie, and Joker can cover. Continue on using elemental attacks in order to break the shields and stagger the boss. Make use of narrow range elemental skills if you’re close and wide range elemental skills if you’re far from the boss.

Deal Technical Damage using Phys and Gun Attacks

When the mini-boss is inflicted with a status ailment such as Freeze, deal technical damage by using Physical and Gun attacks. Switch between Joker, Fox, and Noir to avoid running out of HP.

Don’t Go Crazy with the Offense

The Lock Keeper will sink to the ground and teleport to another spot in order avoid your attacks further. Don’t go all out to the boss and observe to avoid wasting HP and SP.

Unleash Showtime Attacks

While engaging the Sword Lock Keeper, you may build up your showtime gauge. 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.

← Shibuya Jail Lock Keeper Sapporo Jail Lock Keeper →

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

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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
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Dire Shadows

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Dark Sun Mithras Heavenly Punisher Archangel -

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