Leon character art
★★★★

P5X original

"Leon"

Real name: Leo Kamiyama

Strategist Nuclear
Subtype: Strategist
Attributes: Nuclear
How to obtain: Also guaranteed via the tutorial banner (100% pick-up)
Origin: P5X original
Profile: A Nuclear-element Strategist who burns bright for exactly as long as the plan needs. Leon Kamiyama is one of the earliest reliable support picks — the tutorial banner hands him out as a guaranteed selection.

Recommended build

Revelation cards

Space card + matching set
TrustProsperity Trust+ Prosperity
TrustPower Trust+ Power
CreationReconcilation Creation+ Reconcilation

Main options

SunHP
MoonAttackHP
StarAttackHP
SkyAttackHP

Sub options

1st priorityHPDefense
2nd priorityAttack
3rd priority–
Skill priority3>4>1>2

Recommended stats

LV12: Attack 4064LV12+5: Attack 4465

Combat rhythm

Awareness 0: 3 › 2 › 3 › 2 › 3 › 2

Skill roles

S1 Atomic Smash

Deal Nuclear damage to 1 foe equal to 170.8%/188.3%/177.8%/195.3% of Attack. For each stack of Power of Friendship the party has, increase damage by 10%.

S2 Justice Barrier

Spend 30% of 1 other ally's remaining HP to grant them a shield equal to 80% of HP spent + 31.6%/31.6%/32.9%/32.9% of Kamiyama's Attack + 900/1095/1035/1230 for 2 turns. Also grant 1 Power of Friendship stack.

S3 Ultima Booster

Increase 1 ally's Attack by 19.5%/19.5%/20.3%/20.3% for 2 turns (other than Kamiyama). For each stack of Power of Friendship the target has, increase Attack by 20% of Kamiyama's Attack more (up to 1516.7/1672.1/1578.9/1734.3).

Energy Recharge

When Justice Barrier ends, restore HP equal to 100.0% of remaining shield.

Full Power: Start!

Increase allies' critical damage by 45.0% when they have 2 Power of Friendship stacks.

Awareness

A6
A6 · Turning the Tables

When using a skill on an ally with HP below 60%, increase critical damage by 25% for 1 turn.

Weapons

Final BusterFinal Buster
Increase Attack by 30.0/30.0/39.0/39.0/48.0/48.0/57.0%. After using a skill on an ally, grant target 1 of the following buffs: Increase Attack by 16.0/21.0/21.0/26.0/26.0/31.0/31.0% (1 turn). Increase critical damage by 16.0/21.0/21.0/26.0/26.0/31.0/31.0% (1 turn). If target has 2 or more Power of Friendship stacks, grant both buffs, and increase shield effects Kamiyama grants by 10.0%/13.0%/13.0%/16.0%/16.0%/19.0%/19.0% more for 1 turn.
Justice LanceJustice Lance
Increase shield by 8.8%/8.8%/11.4%/11.4%/14.0%/14.0%/16.6%. After using a skill on an ally, increase Attack by 9.0%/11.7%/11.7%/14.4%/14.4%/17.1%/17.1% for 1 turn. For every 20% HP the target loses, increase Attack by 20%.

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).