Bui · Cosmic character art
★★★★★

P5X original

"Bui · Cosmic"

Real name: Cosmic Yui

Assassin Nuclear Persona: Apseudes
Subtype: Assassin
Attributes: Nuclear
Persona: Apseudes
How to obtain: Limited 5★ re-release banner
Origin: P5X original
Profile: Yui's Cosmic form is a Nuclear Assassin who chains All-Out Attacks and follow-up strikes — a finisher for downed boards.

Recommended build

Revelation cards

Space card + matching set
AcuitySatiety Acuity+ Satiety

Main options

SunHP
MoonDamage MultAttack
StarCrit MultCrit Rate
SkyAttack

Sub options

1st priorityCrit MultCrit Rate
2nd priorityPierce RateDamage MultAttack
3rd priority–
Skill priority3>1>2>4

Combat rhythm

Awareness 0: 2+1 › 3 › 2+1 › 3 › 2+1 › 3 Awareness 6: 2+3 › 3 › 2+3 › 3 › 2+3 › 3 Awareness 6: 3 › 2+3 › 3 › 2+3 › 3 › 2+3

Skill roles

S1 Harvest Fest

Deal Nuclear damage to 1 foe equal to 120.8%/133.2%/128.3%/140.6% of Attack, gain 3 Veggie Energy stacks, and enter Huge Harvest state until the end of her next turn. If Potato Knight is present when this skill is used, automatically change to <span style='color:#C7BE5A;'><span style='color:#C7BE5A;'>Potato Yellow</span></span> at the end of the turn. Huge Harvest: At the end of Cosmic Yui's action, activate the Resonance Harvest Havoc, dealing Nuclear damage to 1 random foe equal to 93.5%/103.1%/99.2%/108.8% of Attack. Also, based on the current state, activate the following effects. <span style='color:rgb(184, 33, 214);'><span style='color:rgb(184, 33, 214);'>Eggplant Purple</span></span>: Gain 1 Veggie Energy. <span style='color:#C7BE5A;'><span style='color:#C7BE5A;'>Potato Yellow</span></span>: Gain Potato Power, and increase All-Out Attack damage by 14.6%/16.1%/15.5%/17.0% for 3 turns. <span style='color:rgb(254, 149, 244);'><span style='color:rgb(254, 149, 244);'>Mushroom Red</span></span>: Inflict Shroom Spores on the target, and increase damage taken by 19.5%/21.5%/20.7%/22.7% for 2 turns. <span style='color:rgb(11, 190, 11);'><span style='color:rgb(11, 190, 11);'>Asparagus Green</span></span>: Restore 976/1076/1036/1136 HP to the ally with the lowest remaining HP.

S2 Veggie Knights, Go!

Increase Cosmic Yui's Attack by 29.3%/32.3%/31.1%/34.1% and critical rate by 11.7%/12.9%/12.4%/13.6% for 2 turns, and summon 1 Veggie Knight according to a specific order. After using this skill, other skills can be used on the same turn (this skill is not treated as a normal skill). Passive: At the start of Cosmic Yui's action, automatically summon 1 Veggie Knight according to a specific order. Up to 1 Eggplant Knight, Mushroom Knight, or Asparagus Knight can be summoned each. Up to 4 Potato Knights can be summoned.

S3 Veg-Out Attack

Deal Nuclear damage to 1 foe equal to 130.2%/143.5%/138.2%/151.5% of Attack, and for each Veggie Knight present, deal 1 more hit of Nuclear damage equal to 29.3%/32.3%/31.1%/34.1% of Attack. Also, if 2 or more Potato Knights are present, spend all but 1 Potato Knight, and for each Potato Knight spent, deal 1 more hit of Nuclear damage equal to 24.4%/26.9%/25.9%/28.4% of Attack. This skill's damage is counted as an All-Out Attack. When this skill is selected and used, gain 2 Veggie Energy stacks. If Eggplant Knight is present after activating this skill, automatically change to <span style='color:rgb(184, 33, 214);'><span style='color:rgb(184, 33, 214);'>Eggplant Purple</span></span> state at the end of the turn. Passive: At 7 Veggie Energy stacks, able to spend all Veggie Energy stacks to activate damage effect of Veg-Out Attack. Damage is distributed equally among all foes. This is not treated as normal skill damage.

Veggie Satellite

During battle, for each Veggie Knight gained, increase Cosmic Yui's damage by 8.1% (up to 4 Veggie Knights).

Mixed Vegetables

Increase All-Out Attack damage by 15.0%. When participating in an All-Out Attack, increase that damage more based on the total number of Veggie Knights Cosmic Yui has gained.

Awareness

A6
A6 · Prismatic Vegetables

Unlock Prismatic state. Change Cosmic Yui's Phantom Thief Attire to Prismatic Color, and simultaneously gain abilities from <span style='color:rgb(184, 33, 214);'><span style='color:rgb(184, 33, 214);'>Eggplant Purple</span></span>, <span style='color:#C7BE5A;'><span style='color:#C7BE5A;'>Potato Yellow</span></span>, <span style='color:rgb(254, 149, 244);'><span style='color:rgb(254, 149, 244);'>Mushroom Red</span></span>, and <span style='color:rgb(11, 190, 11);'><span style='color:rgb(11, 190, 11);'>Asparagus Green</span></span>. At the start of battle, permanently enter Huge Harvest state, and change the following effects. When an ally ends their action, activate the Resonance Harvest Havoc. When using Veggie Knights, Go!, summon 1 more Potato Knight.

Weapons

Starlight DecimatorsStarlight Decimators
Increase critical rate by 18.1%/18.1%/23.5%/23.5%/28.9%/28.9%/34.3%. When Veggie Knights are summoned, increase Cosmic Yui's Attack by 10.7%/13.8%/13.8%/16.9%/16.9%/20.0%/20.0%. This effect is permanent and stacks up to 4 times. When using [Veg-Out Attack], increase critical damage by 32.8%/42.8%/42.8%/52.8%/52.8%/62.8%/62.8%.
Sprouting VoyagersSprouting Voyagers
Increase Attack by 12.0%/12.0%/16.0%/16.0%/20.0%/20.0%/24.0%. After activating a Resonance, increase Attack when using [Veg-Out Attack] by 22.0%/29.0%/29.0%/36.0%/36.0%/43.0%/43.0% for 2 turns.

Imported from community-compiled English character data. Live values may change with patches.

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Info compiled from official Global statements, the Megami Tensei wiki, Game8 and GameRant banner documentation. Snapshot: Global Patch 4.12 (November 2026).