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As you head off to face the last Full Moon Shadow during the November Full Moon Operation inPersona 3 Reload, you’ll first need to contend with two large, consistent thorns in the SEES team’s sides – Takaya Sakaki and Jin Shirato of Strega, coming to try to stop your operation.
These two don’t want SEES to eliminate the Dark Hour, appealing that having Personas isn’t a bad thing and implying that SEES is selfish in their desire. You’ll need to pick the right party members to avoid them exploiting weaknesses to take Takaya and Jin out before facing the Shadow.

Takaya And Jin Full Moon Operation Overview
When you head out to begin the twelfth and final Full Moon operation with the battle against Arcana Hanged Manon 11/3, Fuuka tells the group she senses two additional presences - remaining Strega members, Takaya and Jin.
You’ll choose your party at the dorm like normal, but when you head to theMoonlight Bridgeto dispatch the Shadow, you find them there before you, ready to give it everything they’ve got to stop you from stopping the Dark Hour. After some more prose from Takaya, it’s time tobattle the two of them at once.

Affinities and Weaknesses
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Attacks and Skills
Boosts one ally’s attack, defense, accuracy, and evasion stats.

Flash Grenade
Deals physical damage to all foes with a chance to inflict Confuse.
Lightning Grenade
Deals Electric damage to one foe using Jin’s Strength stat.
If Jin uses Heat Riser, it’ll be on Takaya instead of himself so long as Takaya is in battle.
Takaya And Jin Battle Guide
When the battle first begins, everyone on your team gets one action before Takaya and Jin get theirs, so knowing their affinities and moves ahead of time with our charts above is helpful to avoid wasting time. In general, you’ll need toavoid Fire, Light, and Dark magic, but everything else damages these two normally.
Jinis the weaker of the two but often spends his turnsusing his buff moves to help Takayainstead of himself, a devoted follower if ever Takaya had one.Takaya, meanwhile, will perpetually be on theoffensive, meaning you’ll need to concentrate on inflicting heavy damage to move this fight along.
An additional frustration for this part is that not only doesTakaya use insta-kill skillsthat can immediately KO a teammate if they land, butJin’s Flash Grenadeattack has a high chance ofleaving your teammates Confused. Having not onlyHomonculion hand, but also moves or items thatdispel Confusionare essential.
After you’ve chipped away anddepleted roughlya quarter of their health, the pair reveal to your team thatthey can also perform Shifts, allowing them to takebetter advantage of striking your team’s weak pointsto inflict maximum damage in tandem exactly like your team.
During this stage, it’s more important than at any other point in the battle tobe selective about the Personas your protagonist is using. Careful teammate selection protects your partners, butyour protagonist carries the affinities of the Persona he currently has equipped, so be mindful that that Persona isn’t weak to Fire, Light, or Dark magic.
Not only will that offer Takaya a weakness to exploit, but with him using insta-kill spells and weakness to Light and Dark magic seeming to factor into how effective those are, don’t leave yourself vulnerable to potentially fatal attacks.
As long as they’re not exploiting your team’s weaknesses, though, Takaya and Jin will still only get their regular turns, sodon’t let them hit your weaknessesand you’ll force them into an outright exchange of damage. From there, lay into them with everything you’ve got and sit back for the finishing cutscene before heading onto fight Hanged Man as you originally planned.