Party

A party is a battle mechanic in the series.

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Shin Megami Tensei III: Nocturne

The Demi-fiend's party is consisted of himself and up to three Demons. The Demi-fiend may use up a turn to swap a combatant. Defeat of the Demi-Fiend will result in a Game Over.

Shin Megami Tensei: Strange Journey/Redux

The protagonist's party consists of the protagonist himself and 3 extra Demons. He may use up a turn to swap extra combatants. The protagonist's defeat will result in a Game Over. If the "March to Death" app exclusive to Redux is installed, a Game Over will require all summoned demons to be defeated as well.

Shin Megami Tensei IV

Flynn's party consists of himself, three Demons and a partner. Before the alignment lock, at the start of each battle, one out of Jonathan, Walter and Isabeau will be chosen randomly as a guest ally with their own movepool and HP bar. After the alignment lock, only either one of Merkabah (Jonathan) in Law, Lucifer (Walter) in Chaos and Isabeau in Neutral can be used. When certain Challenge Quests are active, the partner may be overridden by one endemic to the quest, such as Nozomi.

Flynn may also use up half of a Press Turn icon to switch one combatant into another. If the whole active party is killed, it will result in Charon requesting a fee to revive Flynn, effectively resetting the game to the state before the last battle. If Flynn doesn't pay, it will trigger a Game Over. Flynn may also choose to revive himself without paying the fee if he has insufficient funds, although this will result in Charon accumulating debt on him. If Flynn dies while still having Macca on Charon's tab, it will trigger an automatic Game Over. The moment Flynn has sufficient money to pay for the tab, Charon will automatically deduct the sum from Flynn's wallet.

Shin Megami Tensei IV Apocalypse

Nanashi's party consists of himself and up to three Demons, as well as a human partner that he may choose at any time. He starts with Asahi and may later recruit Nozomi, Navarre, Gaston, Toki, Hallelujah or Isabeau to use in battle. In any difficulty but Apocalypse, the party will only be considered defeated if the whole party is wiped out. In Apocalypse difficulty, if Nanashi is knocked out, the party is automatically defeated. Being defeated in battle usually has no consequences, and Dagda offers to revive Nanashi for free; declining will mean remaining in Yomotsu Hirasaka, leading to a Game Over. Dagda cannot revive Nanashi anywhere in the Cosmic Egg until the Massacre and Peace route confrontations are over; being defeated under these circumstances results in a regular Game Over).

If Nanashi accepts Merkabah's offer to join him and defeat Lucifer (triggering the early Law Ending), all other partners members will desert and Merkabah will be his sole partner during the upcoming confrontation against Lucifer. This is the only instance where Merkabah can be used as a partner in this game, although Nanashi may use him as a summonable Demon during a New Game Plus.

If he reaches the penultimate floor of the Cosmic Egg and accepts Dagda's deal, all human allies will abandon Nanashi; after the resulting confrontation and the battle against Krishna that follows, he may choose to revive one of the partners as a Goddess, regardless of gender; the revived partner will be the sole partner available for the rest of the game. If his previous decisions are in alignment with Dagda, rejecting his offer will result in the Deity deleting all Demons within the current party, including the stock.

During the final battle against YHVH, Flynn will have a separate party of his own, the make-up of which depends on the chosen Route: On the Massacre Route, Flynn is joined by Satan; On the Bonds Route, a temporarily reborn Walter and Jonathan join Flynn. In either case, the secondary party has a pool of items of their own to use.

Nanashi may use half of a Press Turn icon to summon a demon, replacing one for another if the chosen slot in the active party is already occupied.

Persona 3/4/5

In the Persona series from Persona 3 onward, a party consists of the bearer of the Wild Card and up to three characters who can support them in battle. If this Wild Card bearer is knocked out, the game is over.

While it is usually impossible to swap out party members, in Persona 5, the protagonist may use up his turn to swap out one party member with another as a bonus of Hifumi Togo's Confidant. If the protagonist maxes her Confidant, he may swap party members during anyone's turn.

Persona Q

In Persona Q, the P3 hero is required in the party during the P3 Route, and the P4 hero is required in the P4 Route. If either are knocked out in their respective Routes, the game is over.

In Persona Q2, no protagonist is required inside the party, and the Game Over is triggered when the whole party is knocked out instead. The sole exception is the Risky difficulty, in which the P5 hero must be in the Party at all times and his defeat will result in an automatic game over. This makes Hama users significantly more dangerous, as the P5 Hero's Persona Arsène is weak to Bless Skills.

Persona 5 Strikers

The protagonist is usually locked in the party, and three out of nine other party members may accompany him, with one, Zenkichi Hasegawa, only available later on. However, there are some scenarios where the protagonist is not required to be within the active party. Unlike past games, his defeat alone will not result in a Game Over. Instead, the game over triggers when the entire party is defeated.

List of Party Members

Persona 3 / FES / Portable

Members

	Protagonist	Female Protagonist

Yukari Takeba	Junpei Iori	Akihiko Sanada	Mitsuru Kirijo	Fuuka Yamagishi

Aigis	Koromaru	Ken Amada	Shinjiro Aragaki	Metis

Persona 4 / Golden

Members

Yosuke Hanamura	Chie Satonaka	Yukiko Amagi
Kanji Tatsumi	Teddie	Naoto Shirogane

Persona 5 / Royal

Members

Protagonist	Morgana	Ryuji Sakamoto	Ann Takamaki	Yusuke Kitagawa
Makoto Niijima	Futaba Sakura	Haru Okumura	Goro Akechi	Sumire Yoshizawa

Persona 5 Strikers

Members

Protagonist	Morgana	Ryuji Sakamoto	Ann Takamaki	Yusuke Kitagawa
Makoto Niijima	Futaba Sakura	Haru Okumura	Sophia	Zenkichi Hasegawa