Alhaitham Build Guide | Best Artifacts, Weapons & Teams

Who Is Alhaitham?

Alhaitham is a limited 5-star Dendro Sword character from Sumeru, released in Version 3.4 (January 18, 2023). He is the Scribe of the Akademiya and a key figure in Sumeru's storyline. His kit revolves around Mirror of Light mechanics — when he has Mirrors, his Normal/Charged/Plunge Attacks convert to Dendro DMG and trigger Projection Attacks (multi-hit Dendro damage based on Mirror count). He is a premier on-field Dendro DPS who excels in Quicken/Spread and Bloom-related teams.

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Skill Mechanics and Talent Priority

Normal Attack: Abductive Strike

Performs up to 5 consecutive sword strikes.
Projection Attack: When Alhaitham has Mirrors, Normal/Charged/Plunge Attacks deal Dendro DMG and trigger additional Projection Attacks (number of hits = number of Mirrors).
Mirror Management: Mirrors last 4s each. Normal Attacks generate Mirrors, and using Skill or Burst can provide maximum Mirrors instantly.

Elemental Skill: Universality: An Elaboration on Form

Cooldown: 18s.

Tap: Rushes forward dealing Dendro DMG and gaining 1 Mirror.
Hold: Enters aiming mode, then rushes to target location.
Charged/Plunge Attack: After Skill, using Charged or Plunge Attack generates additional Mirrors.
Mirror Cap: Maximum 3 Mirrors. At 3 Mirrors, Projection Attacks deal maximum hits.

Elemental Burst: Particular Field: Fetters of Phenomena

Energy Cost: 70.

Deals multiple instances of Dendro AoE DMG.
After Burst, if Alhaitham has 0-1 Mirrors, he gains 3 Mirrors. If he has 2 Mirrors, he gains 1 Mirror (to reach 3).
Key: Use Burst to instantly gain maximum Mirrors for maximum Projection Attack damage.

Passive Talents

Talent	Unlock	Effect
Four-Causal Correction	Ascension 1	When Alhaitham's Charged or Plunge Attack hits an enemy, he gains 1 Mirror. Can trigger once every 12s.
Mysteries Laid Bare	Ascension 4	Each point of Elemental Mastery increases Projection Attack DMG by 0.1% (max 100% at 1000 EM).

Talent Leveling Priority

Character Level (90) >> Elemental Skill > Normal Attack ≥ Elemental Burst

Character Level: Extremely important to level to 90. Increases transformative reaction damage (Bloom, Hyperbloom) by ~20% from 80/90 to 90/90. Also improves Quicken/Spread reactions.
Elemental Skill: Primary non-Spread damage source. Highest priority after level.
Normal Attack: Equal priority with Burst if using Burst every rotation. Higher if using Burst every other rotation.
Elemental Burst: Lower priority, mainly used for Mirror generation.

Best Artifacts

Main Stats

Slot	Main Stat
Sands	Elemental Mastery / ATK%
Goblet	Dendro DMG Bonus%
Circlet	CRIT Rate / CRIT DMG

EM Target: Aim for 200-300 Elemental Mastery (including buffs) in Quicken teams before prioritizing CRIT stats.

ATK% vs EM Sands: In non-Quicken teams, ATK% sands slightly outperforms EM sands. With signature weapon, both are comparable.

Set Options

Set	Effect	Verdict
Gilded Dreams 4pc	EM +80. After triggering reactions, gains ATK%/EM based on party composition.	BiS for Quicken teams — maximizes EM and damage
Deepwood Memories 4pc	Dendro DMG +15%. After Skill/Burst hits, enemy Dendro RES -30%.	Excellent if no one else holds it
2pc EM + 2pc Dendro DMG	EM +80 + Dendro DMG +15%.	Good transitional option
2pc EM + 2pc EM	EM +80 + EM +80.	Easy to farm, decent performance

Energy Recharge Requirements

Team Configuration	ER Requirement
Nahida + Fischl + Flex (Electro/Dendro)	105-115%
Nahida solo Dendro	120-130%
Fischl + Other Electro/Dendro	130-140%
Yaoyao/Kirara/Baizhu solo Dendro	130-140%
Solo Dendro in team	175-220%

Best Weapons

Weapon	Rarity	Stat	Notes
Light of Foliar Incision Signature	⭐⭐⭐⭐⭐	CRIT Rate 44.1%	BiS. CRIT Rate + EM scaling + Normal Attack bonus.
Uraku Misugiri	⭐⭐⭐⭐⭐	CRIT DMG 88.2%	Excellent with Zhongli in team. DEF + Skill DMG.
Primordial Jade Cutter	⭐⭐⭐⭐⭐	CRIT Rate 44.1%	High CRIT Rate + HP-to-ATK.
Haran Geppaku Futsu	⭐⭐⭐⭐⭐	CRIT Rate 33.1%	Normal Attack DMG bonus.
Wolf-Fang	⭐⭐⭐⭐	CRIT Rate 27.6%	Battle Pass weapon. Skill/Burst CRIT Rate.
Iron Sting (R5)	⭐⭐⭐⭐	Elemental Mastery 165.	Craftable. Good EM option.
Harbinger of Dawn (R5)	⭐⭐⭐	CRIT DMG 46.9%	Free option. Needs HP maintenance.

Note: Signature weapon provides significant advantage. Wolf-Fang R5 performs similarly to Harbinger of Dawn R5.

Key Constellations

Constellation	Effect	Verdict
C1	Projection Attacks reduce Skill CD by 1.2s. Can trigger once every 6s.	✦ Minor comfort improvement
C2	Each Mirror grants +50 EM (max +150 at 3 Mirrors).	⭐ Core — significant EM boost for damage
C3	Elemental Skill level +3.	✦ Numeric — direct damage increase
C4	When Mirrors are gained/lost, party members gain EM based on Mirror count.	✦ Team EM support
C5	Elemental Burst level +3.	◆ Minor improvement
C6	After Burst, always gain 3 Mirrors. CRIT Rate +10% per Mirror (max +30%), CRIT DMG +7% per Mirror (max +21%).	⭐⭐⭐ Transformation — maximum damage ceiling

Recommendation: C0 is fully competitive. C2 provides significant EM boost. C6 is the ultimate power spike but requires heavy investment. Consider investing in Nahida C2 instead for greater team-wide improvement.

Team Compositions

Alhaitham excels in Quicken/Spread teams and as a Bloom reaction driver.

Quicken/Spread Team (Top Tier)

Role	Character	Notes
Main DPS	Alhaitham	On-field Dendro DPS with Spread reactions.
Sub-DPS	Fischl / Yae Miko / Beidou	Off-field Electro application.
Support	Nahida	Dendro resonance + EM buff + off-field Dendro.
Support	Zhongli / Baizhu	Shield + RES shred / Healing + Dendro.

Hyperbloom Team

Role	Character	Notes
Main DPS	Alhaitham	On-field Dendro application for Bloom.
Trigger	Kuki Shinobu / Raiden Shogun	Hyperbloom trigger (EM build).
Hydro	Xingqiu / Yelan / Furina	Hydro application for Bloom.
Support	Nahida / Baizhu	Dendro resonance + support.

Burgeon Team

Role	Character	Notes
Main DPS	Alhaitham	On-field Dendro application.
Trigger	Thoma	Burgeon trigger (EM build).
Hydro	Xingqiu / Yelan	Hydro application.
Support	Baizhu / Yaoyao	Healing + Dendro application.

Nilou Bloom Team

Role	Character	Notes
Main DPS	Alhaitham	On-field Dendro application.
Support	Nilou	Converts Bloom to Bountiful Cores.
Hydro	Xingqiu / Yelan	Additional Hydro application.
Support	Baizhu / Yaoyao / Kirara	Healing + Dendro.

Rotation Tips

Quick 3 Mirrors: Use Burst (Q) or Hold Skill + Plunge Attack (hEP) to instantly gain 3 Mirrors.
Maintain Mirrors: Use Normal Attack combos (N3D, N3CD) and Charged/Plunge Attacks to refresh Mirror duration.
After Burst: Can switch to teammates for 2s to cast skills, but time it carefully.

Ascension and Talent Materials

Base Stats (Lv. 90)

Stat	Value
Max HP	13,348
ATK	313
DEF	782
Dendro DMG Bonus (Ascension)	28.8%

Ascension Materials (0 to 90)

Mora: ~420,000
EXP: 420 Hero's Wit
Nagadus Emerald: 1 Sliver / 9 Fragment / 9 Chunk / 6 Gemstone
Boss Drop: Pseudo-Stamens x46 (Setekh Wenut)
Local Specialty: Sand Grease Pupa x168 (Sumeru Desert)
Common Drops: 18 Faded Red Satin / 30 Trimmed Red Silk / 36 Rich Red Brocade

Talent Materials (Single Talent 1 to 10)

Mora: ~1,652,500
Talent Books: Teachings x3 / Guide x21 / Philosophies x38 of Ingenuity
Common Drops: 6 Faded Red Satin / 22 Trimmed Red Silk / 31 Rich Red Brocade
Weekly Boss: Mirror of Mushin x6 (Shouki no Kami)
Crown: Crown of Insight x1

Domain: Steeple of Ignorance (Tuesday / Friday / Sunday) — Ingenuity series

Summary

Alhaitham is a premier 5-star Dendro on-field DPS who excels in Quicken/Spread and Bloom-related teams. His best artifact set is Gilded Dreams 4pc for Quicken teams, and his signature weapon Light of Foliar Incision is his BiS. Leveling him to 90 is extremely important for maximizing reaction damage. He pairs exceptionally well with Nahida, Fischl, and Electro appliers for Spread reactions.

Quick Reference

Priority	Best Choice
Weapon	Light of Foliar Incision (Signature) / Wolf-Fang / Iron Sting
Artifact	Gilded Dreams 4pc / Deepwood Memories 4pc
Sands	Elemental Mastery / ATK%
Goblet	Dendro DMG Bonus%
Circlet	CRIT Rate / CRIT DMG
Talent Priority	Lv.90 > E > Normal ATK ≥ Q
Key Constellations	C2 / C6
Best Team	Alhaitham + Nahida + Fischl + Zhongli

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