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Luka is known as one of the members of Wildfire in Honkai Star Rail, a team built to replace the Silvermane Guards after Cocolia locked down the Underworld. They are there to keep the peace and protect the Underworld residents when needed.

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As a 4-Star Physical type under the Nihility path, Luka can easily play the role of Support by dishing out debuffs to enemies. If you've had the chance to pick up this character, here is how you can build him.

Luka's Best Build & Relic Sets

Image of the character Luka in a character demo for Honkai Star Rail.

As a Support character who applies debuffs to enemies, Luka will benefit the most from receiving a boost to his Effect Hit Rate, SPD, and Energy Regeneration. These will all ensure that he is able to easily apply debuffs to assist the Main DPS of the team. Here are the best Relic Sets to choose for him.

4-Set Of Champion Of Streetwise Boxing

Image of the Relic Set Champion of Streetwise Boxing and its stats in Honkai Star Rail.

The 2-Set of Champion of Streetwise Boxing will increase Luka's Physical DMG by 10 percent. The 4-Set will increase his ATK by 5 percent for the rest of the battle after he attacks or is hit. This effect can stack up to 5 times. Outside of Luka's debuffing abilities, you'll want to boost up his Physical DMG and ATK, so he can deal decent damage as well.

2-Set Of Pan-Galactic Commercial Enterprise

Image of the Relic Set Pan-Galactic Commercial Enterprise in Honkai Star Rail.

The 2-Set of Pan-Galactic Commercial Enterprise will increase Luka's Effect Hit Rate by 10 percent. Also, his ATK will increase by an amount that is equal to 25 percent of the current Effect Hit Rate, up to a maximum of 25 percent. This set will serve as the booster to Luka's debuffing abilities. It will greatly increase his Effect Hit Rate, while also giving him an additional buff to his ATK. With these two sets in hand, here's the main stats and substats you should choose.

Relic

Main Stat

Substats

Head

HP

Effect Hit Rate, ATK, SPD, Break Effect

Hands

ATK

Effect Hit Rate, ATK, SPD, Break Effect

Body

Effect Hit Rate

Effect Hit Rate, ATK, SPD, Break Effect

Feet

SPD

Effect Hit Rate, ATK, SPD, Break Effect

Sphere

Physical DMG

Effect Hit Rate, ATK, SPD, Break Effect

Link

ATK or Energy Regeneration

Effect Hit Rate, ATK, SPD, Break Effect

Effect Hit Rate will be an incredibly important stat for you to build on for Luka. It'll ensure that he can often apply the Bleed effect on enemies. You'll also want to increase his SPD and Energy Regeneration, so he can more frequently use his Ultimate to aid the rest of the team. ATK will also be beneficial, so Luka can deal increased damage in-between the Main DPS's attacks.

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Luka's Best Light Cones

Image of the character Luka in a character demo for Honkai Star Rail.

Depending on if you want to increase Luka's damage, or his ability to apply debuffs, the best Light Cones for him will boost his Effect Hit Rate or ATK. There are many options available to him, but here are a few of our favorites.

5-Star Light Cone: Incessant Rain

Split image of the character Luka and the full artwork for the Light Cone Incessant Rain in Honkai Star Rail.

Incessant Rain will increase Luka's Effect Hit Rate by 24 percent. When Luka deals DMG to an enemy that currently has 3 or more debuffs, it will increase his CRIT Rate by 12 percent. After he uses his Basic ATK, Skill, or Ultimate, there is a 100 percent chance to implant Aether Code on a random hit target that doesn't have it yet. Targets with Aether Code receive 12 percent increased DMG for 1 turn. Incessant Rain will be your best bet if you're looking for a 5-Star option for Luka. Although it is Silver Wolf's signature Light Cone, it works well for Luka too by significantly improving his debuffing abilities.

4-Star Light Cone: Resolution Shines As Pearls Of Sweat

Split image of the character Luka and the full artwork for the Light Cone Resolution Shines As Pearls of Sweat in Honkai Star Rail.

Resolution Shines As Pearls of Sweat, whenever Luka hits an enemy and the enemy is not already Ensnared, it will provide a 60 percent base chance to Ensnare the hit enemy. Ensnared enemies' DEF will decrease by 12 percent for 1 turn. Resolution Shines As Pearls of Sweat is the best Light Cone for Luka, and is much easier to obtain as a 4-Star. It'll provide Luka with the ability to apply Ensnare on enemies, which will decrease their DEF further.

3-Star Light Cone: Hidden Shadow

Split image of the character Luka and the full artwork for the Light Cone Hidden Shadow in Honkai Star Rail.

Hidden Shadow will increase Luka's Basic ATK DMG equal to 60 percent of ATK to the target enemy after he uses his Skill. If you don't have access to a 5-Star or 4-Star Nihility Light Cone, Hidden Shadow will be your best bet for Luka. It'll give him a decent boost to his Basic ATK, so he can deal additional DMG to enemies alongside the rest of the team.

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Luka's Best Team Composition

Split image of the characters Luocha, Asta, and Kafka in Honkai Star Rail.

When choosing the right teammates for Luka, you'll want to ensure you have a Main DPS and at least one healer or shielder. He can pair with a lot of different characters, but here are some of the best to choose from, as well as a couple alternatives.

Character

Character Type & Benefits

Kafka (Alternative: Hook)

Main DPS, Can apply Shock effect to enemies and deal powerful Lightning DMG.

Asta (Alternative: Sampo)

Support, Can buff team's SPD and ATK stats.

Luocha (Alternative: Natasha)

Support and Healer, Can provide healing to the whole team and deal strong Imaginary DMG.

NEXT: Honkai Star Rail: Kafka Ascension Materials