Full kit for every Lumi whose first type is Royal: trait, signature skill, the switchable skills it can learn, and its weaknesses and resistances worked out from the in-game type chart.
Dual-type Lumi that list Royal second have their profile on their first type's page (linked in the table above).
Otterknight
RoyalSteel · Special (Royal) · ATK 97 / DEF 97 / HP 97 · Work 65 · Star Return reward
Trait — United Effort: Unaffected by negative statuses. Whenever this Lumi gains a buff or stat boost, allied Otter Lumi on the field also gain 1 stack (or Level) of the same buff or stat boost.
Skill
Type
SP
Power
Effect
Joint Strike (signature)
Royal
5
50
Attack all enemy Lumi on the field with a 25% crit chance. Raise the user's Attack and Defense by 1 Level each and gain 1 Haste. Deals 50% more damage when facing two enemies.
Sudden Strike
Steel
5
75
Attack the current enemy. Always lands a critical hit if the user's attack speed is higher than the target's.
Chi Blast
Brawler
5
75
Fire a chi blast at the current enemy. While the user's Attack Level is positive, SP cost is reduced by 1 per Level. Afterwards, lower the user's Attack by 1 Level.
Polish
Steel
3
0
The user's next 5 basic attacks deal 100% more damage.
Unburdened Pursuit
Earth
4
40
Attack the current enemy. If the user's Defense Level is positive, each Level grants 1 extra hit, then its Defense Level resets to 0.
Relay
Steel
4
30
Attack the current enemy, then switch out, passing all of the user's Haste to the Lumi that switches in.
Baton Pass
Typeless
4
30
Attack the current enemy, then switch out, passing the user's Attack and Defense Levels to the Lumi that switches in.
A "?" in an effect means the source entry leaves that number as a blank template value; it is shown as unknown rather than guessed.
Skill and trait names are our English translations of the Chinese client data; Lumi names are the official global names. If an in-game English skill
name differs, the effect text, SP cost and Power are what to match on.