Lumi Master/Lumis

70–88

Stellalibra

Rating 70–88Flying / Steel

At a glance

Why this tier: Stellalibra drops to A: Fortify stacking still wins on the climb, but every stage vanishes on a forced swap, and roar teams lead the Arena. A failed Whirl of Judgment heals the enemy 30%, and Fire, Electric and Royal hit it for double.
Best with: Rainbowdeer×1 Psykat×1
In our teams1 of 19: Fortify StallCarry, stacks stages and sweeps · Fortify

Stellalibra's skills

Fixed kit always on Stellalibra, can't be swapped

Trait · passiveStars of Judgment

Every skill this Lumi uses banks 1 Star.

Signature skillWhirl of Judgment

Weighs the scales before striking: a 50% chance to triple this skill's power, and on a failure the enemy heals 30% of its max HP instead. Libra Gleam III changes which way the verdict falls. Then it attacks.

FlyingCost 4Power 35

Swappable skills choose which one to equip

FortifyUsed in official line-ups

Raises this Lumi's ATK and DEF by 1 stage each.

NormalCost 3Power 0

Cleansing Wind

Resets the ATK and DEF stages of every Lumi on the field back to neutral.

FlyingCost 3Power 30

Round Trip

Hits the current enemy and switches out.

FlyingCost 3Power 30

Speed Up

Every Lumi in your squad gains 1 Swift.

SteelCost 5Power 0

Healing Light

Heals every Lumi in your squad for 15% of max HP and cures all their Poison.

LightCost 4Power 0

Swift Strike

Hits the current enemy and gives this Lumi 1 Swift.

SteelCost 4Power 40

Skills marked "Used in official line-ups" are the ones the game's own in-client line-ups equip on Stellalibra. See those line-ups.

How to use Stellalibra

Stellalibra carries the Fortify stall team in the Arena, and Fortify is the skill to run. Each cast adds a stage of ATK and DEF, Stars of Judgment banks a Star for every skill, and Whirl of Judgment turns those into a 50% chance at triple power. A failed roll heals the enemy 30%, though Libra Gleam III shifts those odds.

It stops working where roars are common: a forced swap or Cleansing Wind wipes every stage, so it gets answered near the top. Sandlord builds stages faster, 2 a cast. Fire, Electric and Royal hit it for double.

Teams with Stellalibra

Fortify StallPvP · Arena ladder
Rainbowdeer walls the front while Stellalibra stacks Fortify, and Psykat never has to come in at all. Fortune cuts the enemy's ATK 2 stages when Rainbowdeer enters and Healing Light tops the squad up 15%, which buys Stellalibra the turns to cast Fortify again and again; each cast adds a stage of ATK and DEF and banks a Star for Whirl of Judgment. Psykat waits on the bench as insurance.

All Lumi Master teams →

Recommended build

The game's own in-client line-ups run Stellalibra with Fortify equipped: 3 official setups below, plus the materials it levels, stars up and evolves with.

Trait & signature skill (fixed)

Stars of Judgment— Trait

Whirl of Judgment— Signature skill

Stars of Judgment: Every skill this Lumi uses banks 1 Star. Whirl of Judgment: Weighs the scales before striking: a 50% chance to triple this skill's power, and on a failure the enemy heals 30% of its max HP instead. Libra Gleam III changes which way the verdict falls. Then it attacks.

Skill for the Arena

Fortify— A stage of ATK and DEF with every cast

Skill to equip

FortifyChosen in 3 of 3 official setups

Trainer skill

ShieldRun in 2 of 3 official setups

HealingRun in 1 of 3 official setups

Shield: Applies a shield to your own Lumi on the field, making them immune to the enemy's next skill damage and debuff. Expires upon leaving. Healing: Restores 30% of Max HP to ally Lumi on the field.

Level up & ascension

Libret KeepsakeLevels up and ascends this line

Universal KeepsakeSwaps in for any Keepsake

Star Up

Libret StarcoreRaises this line's star level

Universal StarcoreSwaps in for a regular or variant Lumi's Starcore

Each star adds damage dealt and cuts damage taken: ★1 +5% / -5%, up to ★5 +25% / -25%.

The Trait and Signature Skill come with this Lumi and can't be changed, so they set what the rest of the build is for. The skill and trainer skill picked above are the game's own — read straight off its official in-client line-ups on the Official Line-ups page. The Keepsake, Starcore and evolution materials are this line's own real items, from the game's own tables. Star Up's damage/mitigation numbers are the game's own published curve.

Type matchup

Takes extra damage from

Fire×2

Electric×2

Royal×2

Takes reduced damage from

Grass×0.25

Flying×0.5

Dark×0.5

Psychic×0.5

Fairy×0.5

Steel×0.5

Recomputed from the game's own type chart against this Lumi's type(s) — dual types multiply. See the full Type Chart for every match-up.

Evolution line

Stage 1

Libret

Stage 2

Librowl

Stage 3

Stellalibra

Attributes

MaxMin

	Min	Max
ATK	68	100
DEF	68	100
HP	56	88
Work	32	64
Attack Speed	Faster than most0.9s

Each column is the species' own Min–Max range at its reference level — the exact spread the in-game Aptitude tab shows (an individual catch rolls somewhere inside it). See the Stat Rankings to sort the whole roster by any of these. Attack Speed is the Skill tab's Attack Interval: the seconds between automatic basic attacks, fixed per species, so lower is faster. Every basic attack deals the same damage per second, so a quicker one lands more hits rather than more damage, which is what on-hit effects care about. Each Swift stack speeds it up by 10% and each Paralysis stack slows it by 10%.

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