Best Build for Diluc in Genshin Impact

Diluc is a 5-star Pyro

claymore character in Genshin Impact. This guide covers the best builds, weapons and artifacts for Diluc.

Pros & Cons
Skills
Passives
Constellations
Ascension

Pros & Cons

Straightforward playstyle
Building Diluc is also pretty straightforward
- Crit-rate ascension stat and high base attack make it easier to bring out his potential.
Decent weapon selection
Good matchup versus shielded enemies

Limited Reaction potential
Doesn't have great Artifact flexibility (wants 4pc set)
- Can't use Freeze-Melt (does Freeze-Shatter instead)
- While Diluc does a lot of reaction damage, he can't abuse reactions to make a super-majority of his damage reaction based.
Optimized comps are very limited

Skills

Tempered Sword

Normal Attack

Normal Attack
Perform up to 4 consecutive strikes.

Charged Attack
Drains Stamina over time to perform continuous slashes.
At the end of the sequence, perform a more powerful slash.

Plunging Attack
Plunges from mid-air to strike the ground, damaging opponents along the path and dealing AoE DMG upon impact.

Searing Onslaught

Elemental Skill

Performs a forward slash that deals Pyro DMG.

This skill can be consecutively used 3 times. Enters CD if not cast again within a short period.

Dawn

Elemental Burst

Releases intense flames to knock back nearby opponents, dealing Pyro DMG.
The flames then converge into the weapon, summoning a Phoenix that flies forward and deals massive Pyro DMG to all opponents in its path. The Phoenix explodes upon reaching its destination, causing a large amount of AoE Pyro DMG.
The searing flames that run down his blade cause it to be infused with Pyro.

Passives

Tradition of the Dawn Knight

Utility Passive

Refunds 15% of the ores used when Forging Claymore-type weapons.

Relentless

Ascension 1

Diluc's Charged Attack Stamina Cost is decreased by 50%, and its duration is increased by 3s.

Blessing of Phoenix

Ascension 4

The Pyro Infusion provided by Dawn lasts for 4s longer. Additionally, Diluc gains 20% Pyro DMG Bonus during the duration of this effect.

Constellations

Conviction

Level 1

Diluc deals 15% more DMG to opponents whose HP is above 50%.

Searing Ember

Level 2

When Diluc takes DMG, his ATK increases by 10% and his ATK SPD increases by 5%. Lasts for 10s.
This effect can stack up to 3 times and can only occur once every 1.5s.

Fire and Steel

Level 3

Increases the Level of Searing Onslaught by 3.
Maximum upgrade level is 15.

Flowing Flame

Level 4

Casting Searing Onslaught in rhythm greatly increases damage dealt.
2s after casting Searing Onslaught, casting the next Searing Onslaught in the combo deals 40% additional DMG. This effect lasts for 2s.

Phoenix, Harbinger of Dawn

Level 5

Increases the Level of Dawn by 3.
Maximum upgrade level is 15.

Flaming Sword, Nemesis of the Dark

Level 6

After casting Searing Onslaught, the next 2 Normal Attacks within the next 6s will have their DMG and ATK SPD increased by 30%.
Additionally, Searing Onslaught will not interrupt the Normal Attack combo.

Ascension

Rank	Level	Cost	Materials
1	20	20,000	1 Agnidus Agate Sliver		3 Small Lamp Grass	3 Recruit's Insignia
2	40	40,000	3 Agnidus Agate Fragment	2 Everflame Seed	10 Small Lamp Grass	15 Recruit's Insignia
3	50	60,000	6 Agnidus Agate Fragment	4 Everflame Seed	20 Small Lamp Grass	12 Sergeant's Insignia
4	60	80,000	3 Agnidus Agate Chunk	8 Everflame Seed	30 Small Lamp Grass	18 Sergeant's Insignia
5	70	100,000	6 Agnidus Agate Chunk	12 Everflame Seed	45 Small Lamp Grass	12 Lieutenant's Insignia
6	80	120,000	6 Agnidus Agate Gemstone	20 Everflame Seed	60 Small Lamp Grass	24 Lieutenant's Insignia

Show total costs

420,000

Mora

46

Everflame Seed

1

Agnidus Agate Sliver

9

Agnidus Agate Fragment

9

Agnidus Agate Chunk

6

Agnidus Agate Gemstone

168

Small Lamp Grass

18

Recruit's Insignia

30

Sergeant's Insignia

36

Lieutenant's Insignia

Teams

For a detailed breakdown of the best Diluc teams go to the Diluc team guide page.

Builds

DPS Build

Diluc demands a lot of field-time generally making him a DPS character who can maximize a supporting cast. As a Pyro unit, Diluc has access to Melt and Vaporize which scale very well with the damage you invest into him. Currently his best builds revolve around Weakside Vaporize or Reverse Vaporize which allows Diluc better reaction uptime over Melt comps.

Talent Priority

Skill = Normal = Burst
There are differences based on what builds you play but even then you'll want to keep Diluc's talent levels well within each other as they all play an integral role towards his damage.

Stat Priority

Main stats: EM or ATK/Pyro/Crit
Substats: Crit/ATK/EM/ER
Diluc shouldn't need the ER provided from ER sands, while ER substats are nice but would rather go towards EM or ATK. EM or ATK will depend more on external sources like your weapon and party members. Ideally you choose based on substats but it is worth noting that ATK will generally feel better as EM is only valuable if you can efficiently play Diluc and get as much reactions as possible.

Weapons

Best Weapon

While ATK is not Crit, its still a good stat and having a lot of it is nice

Wolf's Gravestone

ATK

Wolfish Tracker

Increases ATK by 20~40%. On hit, attacks against opponents with less than 30% HP increase all party members' ATK by 40~80% for 12s. Can only occur once every 30s.

Vaporize teams

It's a good weapon but due to Diluc's "average" reaction rate lowering the value of Elemental Mastery and the weapon's passive. Regardless it's a very good option.

Rainslasher

Elemental Mastery

Bane of Storm and Tide

Increases DMG against opponents affected by Hydro or Electro by 20~36%.

Weapon Variations

Stat sticks

Redhorn Stonethresher

CRIT DMG

Gokadaiou Otogibanashi

DEF is increased by 28~56%. Normal and Charged Attack DMG is increased by 40~80% of DEF.

Recommended if you have good shield uptime

The Unforged

ATK

Golden Majesty

Increases Shield Strength by 20~40%. Scoring hits on opponents increases ATK by 4~8% for 8s. Max 5 stacks. Can only occur once every 0.3s. While protected by a shield, this ATK increase effect is increased by 100%.

Serpent Spine

CRIT Rate

Wavesplitter

Every 4s a character is on the field, they will deal 6~10% more DMG and take 3~2% more DMG. This effect has a maximum of 5 stacks and will not be reset if the character leaves the field, but will be reduced by 1 stack when the character takes DMG.

F2P weapons

Luxurious Sea-Lord

ATK

Oceanic Victory

Increases Elemental Burst DMG by 12~24%. When Elemental Burst hits opponents, there is a 100% chance of summoning a huge onrush of tuna that charges and deals 100~200% ATK as AoE DMG. This effect can occur once every 15s.

Prototype Archaic

ATK

Crush

On hit, Normal or Charged Attacks have a 50% chance to deal an additional 240~480% ATK DMG to opponents within a small AoE. Can only occur once every 15s.

Artifacts

Best set

Crimson Witch of Flames was made for Diluc, and no other set really comes close when it comes to stat-efficiency

Crimson Witch of Flames

2 Pyro DMG Bonus +15%.

4 Increases Overloaded and Burning DMG by 40%. Increases Vaporize and Melt DMG by 15%. Using an Elemental Skill increases the 2-Piece Set Bonus by 50% of its starting value for 10s. Max 3 stacks.

Artifact Variations

Combination sets will outpeform 4pc effects if the substats are good

Crimson Witch of Flames

2 Pyro DMG Bonus +15%.