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InPersona 5/Royal, Seiten Taisei was Ryuji Sakmoto’s secondPersona, which is unlocked upon reaching Rank 10 of his Confidant. Stat and Affinity-wise, Seiten Taisei inPersona 3 Reloadisn’t too different from hisPersona 5version. He has good Attack and Endurance, but he also has Zio/Electric Skills that can be used for Downing enemies that have an Affinity Weakness. Unfortunately, Seiten Taisei is also DLC-exclusive, meaning you’ll need to purchase the Royal DLC Set forPersona 3 Reloadbefore he can be summoned from the compendium in the Velvet Room.
How to Get Seiten Taisei in Persona 3 Reload
DLC & Fusion Recipes
You will need to purchase thePersona 5 Royal Persona Set 2in order to get Seiten Taisei inPersona 3 Reload. The cost is $5.99, or you’re able to get the entire Persona 5 DLC Sets for $26.99. After the DLC has been added to your game, you can summon Seiten Taisei in the Velvet Room for free. This is a one-time free purchase per playthrough.
If you’d prefer, you can use Fusion to get Seiten Taisei. This is recommended if you’re looking to transfer specific Physical/Magic Skills or Passive Skills. You can then register the newly-fused Seiten Taisei to the compendium.

- These Fusions will only workif you have the DLC. Otherwise, they will result in different Personas.
What Skills Are Best for Seiten Taisei?
General Information About Seiten Taisei
Seiten Taisei’s base level is40. If you’re summoning/fusing him for the first time, you can obtain him regardless of how low your level is. Stat-wise, Seiten Taisei’s boons are his Strength and Endurance, making him a good physical attacker and capable of taking a few hits from enemies. His poor Magic means he won’t make a good Magic Attacker (unless you level up his Magic stat).
Here are the skills he learns and his affinities inPersona 3 Reload:

Wild Thunder
Innate
Deals severe Electric damage to all foes with a low chance of inflicting Shock.
Auto Tarukaja
Increases the user’s Attack at the start of battle. Lasts for three turns.
Auto Rebellion
41
Increases the user’s critical rate at the start of battle. Lasts three turns.

Charge
43
Ensures that the next physical attack will deal more than double the damage.

44
Auto Mataru
46
Increases the party’s Attack at the start of battle. Lasts three turns.
Seiten Taisei Weaknesses and Resistances
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Is Seiten Taisei Worth Using?
Seiten Taisei vs. Captain Kidd
If you’ve purchased both Persona 5 Royal Persona Sets DLC, then you’ll have both of Ryuji’s Personas: Seiten Taisei and Captain Kidd. You can use either one, but Captain Kidd’s starting level is lower than Seiten Taisei’s by quite a lot. You’ll also notice that Captain Kidd’s Skills are weaker, dealing “medium damage” at the most.
Captain Kidd
Ultimately, the decision comes down to each player individually. There are pros and cons to both Seiten Taisei and Captain Kidd, but the one thing you’ll want to remember when deciding is that Captain Kidd has more Zio Skills, and Seiten Taisei has more Physical Skills. You can even have both in your lineup if you want, and they both make decent substitutes for Akihiko during combat.