Alhaitham

The current scribe of the Sumeru Akademiya, a man endowed with extraordinary intelligence and talent. He lives free — free from the searching eyes of ordinary people, anyway.

Resources

• Alhaitham Quick Guide

Base Stats

Asc.	Lv.	Base HP	Base ATK	Base DEF	CRIT Rate	CRIT DMG	Dendro DMG Bonus
A0	1	1039	24	61	5.0%	50.0%	0.0%
A6	90	13348	313	782	5.0%	50.0%	28.8%
Click to expand...

Attacks

Normal Attacks

Normal Attack: Abductive Reasoning

Normal Attack
Performs up to 5 rapid strikes.

String	Talent 9%	Frames	MV/s	Poise Damage	Impulse Type
1-Hit	90.99%	21	259.97%/s	58.5	3
2-Hit	93.24%	28	199.80%/s	59.5	3
3-Hit	62.79% x2	50	150.70%/s	39 x2	2 + 3
4-Hit	122.67%	50	245.34%/s	77	4
5-Hit	154.05%	73	126.62%/s	101	5

Charged Attack
Consumes a certain amount of Stamina to unleash 2 rapid sword strikes.

String	Talent 9%	Frames	MV/s	Poise Damage	Impulse Type
CA	101.51% x2	50	243.65%/s	60 x2	2 + 6
N1C	294.01%	79	223.31%/s	-	-
N2C	387.27%	102	227.81%/s	-	-
N3C	512.85%	150	205.14%/s	-	-
N4C	635.52%	186	205.01%/s	-	-

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

Damage Type	Talent 9%	Poise Damage	Impulse Type
Plunge DMG	117.46%	25	2
Low Plunge DMG	234.86%	100	4
High Plunge DMG	293.36%	150	7

Notes

• MV/s are calculated using the shortest possible frames without any animation cancels, for different cancels see below.

Skill

Universality: An Elaboration on Form

Rushes forward, dealing Dendro DMG to nearby opponents when the rush ends, causing a Chisel-Light Mirror to form.
Holding this skill will cause it to behave differently.

Hold
Enters Aiming Mode to adjust the direction of Alhaitham's rush attack.

Chisel-Light Mirror
When this skill is unleashed, Alhaitham will generate 1 Chisel-Light Mirror. If there are no Mirrors at this time, he will generate 1 additional Mirror. Chisel-Light Mirrors will have the following properties:

• When he possesses Chisel-Light Mirrors, Alhaitham's Normal, Charged, and Plunging Attacks will be converted to Dendro DMG. This cannot be overridden.
• When attacks of the aforementioned kind hit opponents, the Chisel-Light Mirrors will unleash a Projection Attack that deals AoE Dendro DMG based on the number of Mirrors on the field.
• A total of 3 Chisel-Light Mirrors can exist at once.
• The Chisel-Light Mirrors will disappear one after the other over time, and will all disappear when Alhaitham leaves the field.

"Truth inherently exists amidst uncertainty. Even the greatest of scholars are not immune to error."

Attribute	Rush Attack	Mirror Projection Attack
DMG (T9%)	329.12% ATK + 263.3% Elemental Mastery	1-Mirror: 114.24% ATK + 228.48% Elemental Mastery 2-Mirror: (114.24% ATK + 228.48% Elemental Mastery)×2 3-Mirror: (114.24% ATK + 228.48% Elemental Mastery)×3
Particles	1 (-)	-
GU	1U	1U
ICD	None	2 hit / 12s
Snapshot	Dynamic	Snapshot
Damage Element	Dendro	Dendro
Damage Type	Skill	Skill
CD	18s	1.6s
Poise Damage	100	50
Impulse Type	3	2

Notes

• Alhaitham's resistance to interruption is increased while holding Skill and during his tap Skill animation.
• After using hold Skill, you can instantly plunge at any height.
• Coordinated attacks from Chisel-Light Mirrors can proc Sacrificial Sword's passive.
• Tap Skill can teleport further than hold Skill.
• Chisel-Light Mirror projection attack's positioning depends on Alhaitham's own positioning and what direction he's facing.
• Hold E -> Plunge combo can be done faster by aiming closer to his feet while pressed against an enemies hitbox.
• Chisel-Light Mirror projection attacks can miss if a swap occurs too fast (more likely at higher ping).
• Alhaitham keeps his momentum if interrupted during his hold Skill teleport.
• Alhaitham can remain submerged in water when in his hold Skill state.
• Alhaitham can make his sword disappear by cancelling his Skill before it gives him mirrors. This is easily done using an alchemy table or by talking to an NPC or falling in water while in his hold Skill. Using N5, Skill or Burst makes his sword reappear, but it is still possible to activate his Dendro infusion via his A1 passive.
• Chisel-Light Mirror projection attacks spawn 0-2 frames after damage numbers become visible. Damage numbers appearing is ping-dependent. Therefore, the time a Chisel-Light Mirror Projection attack spawns is ping dependent. Furthermore, the check for the level of mirror projection attacks occurs at (approximately) the same time as the damage numbers appearing.
• Chisel-Light Mirror generation is not affected by ping.
• Chisel-Light Mirror's Projection Attack Type is not determined by the amount of Mirrors on the triggering hit. The check happens on the Projection Proc.
• Chisel-Light Mirrors have an independent timer of 4 seconds each. Only one Mirror will decay at a time, and only the Mirror with the shortest duration will decay.

Burst

Particular Field: Fetters of Phenomena

Creates a Particular Binding Field and deals multiple instances of AoE Dendro DMG.
If Chisel-Light Mirrors exist when this ability is unleashed, all such Mirrors will be consumed and increase the number of DMG instances dealt.
2s after this ability is unleashed, if 0/1/2/3 Mirrors were consumed, Alhaitham will generate 3/2/1/0 new Mirrors in turn.

"If a researcher makes wisdom their goal, then they should be prepared to make an enemy of every word they read. Only then can they avoid bias."

Attribute	Burst
DMG (T9%)	206.72% ATK + 165.38% Elemental Mastery
Attack Instances	Basic: 4 1-Mirror: 6 2-Mirror: 8 3-Mirror: 10
GU	1U
ICD	Standard
Snapshot	Snapshot
Damage Element	Dendro
Damage Type	Burst
Energy Cost	70
Cooldown	18s
Poise Damage	35
Impulse Type	2

Notes

• Burst has a 2s wait before generating new Chisel-Light Mirrors. It is possible to swap to another character, use a skill, and come back in time to catch the new Mirrors generated.

Frames

NA

Name	Hitmark	Hitlag	Next NA	CA	Walk
N1	11	0.02	21	29	35
N2	13	0.02	38	31	37
N3	15, 29	0, 0.02	50	51	61
N4	21	0	30	37	51
N5	35	0.02	73	N/A	96

CA

Name	Hitmark	Hitlag	N1	Skill	Burst	Walk	Swap
CA	19, 27	0, 0	50	50	50	64	48

Skill

Name	Hitmark	Hitlag	N1	Skill	Burst	Walk	Dash	Jump	Swap	CD
Tap	19	0.04	28	35	29	45	34	33	37	15
Hold	28	0.04	87	87	88	87	88	88	86	23
Low Plunge	28	0	49	30	50	70	40	70	58	N/A

Notes

• Mirror gain: same as CD frame (for both tap and hold)
• 1-Mirror hitmark: 39f left, 40f right
• 2-Mirror hitmarks: 28f, 37f left; 27f, 36f right
• 3-Mirror hitmarks: 31f, 40f, 50f
• Low Plunge counts from when the drop button appears/after E animation ends mid-air; there's a shorter variant ~20f faster

Burst

Name	Hitmark	N1	Skill	Walk	Dash	Jump	Swap	CD	Energy
Cast	94, 116, 137, 158	88	89	89	89	91	87	0	5

Notes

• Mirror gain: 190f

Other

Name	Default
Dash	19
Jump	29

For general information, see the frames page or the database.
For details on a specific character, see the respective Evidence Vault.

Ascension Passives

Passive

Law of Reductive Overdetermination

When Alhaitham crafts Weapon Ascension Materials, he has a 10% chance to receive double the product.

Ascension 1

Four-Causal Correction

When Alhaitham's Charged or Plunging Attacks hit opponents, they will generate 1 Chisel-Light Mirror. This effect can be triggered once every 12s.

Notes

• Chisel-Light Mirror counts for projection attacks are calculated after A1.

Ascension 4

Mysteries Laid Bare

Each point of Alhaitham's Elemental Mastery will increase the DMG dealt by Projection Attacks and Particular Field: Fetters of Phenomena by 0.1%.
The DMG of both aforementioned abilities can be increased by a maximum of 100% this way.

Constellations

C1

Intuition

When a Projection Attack hits an opponent, Universality: An Elaboration on Form's CD is decreased by 1.2s. This effect can be triggered once every 1s.

C2

Debate

When Alhaitham generates a Chisel-Light Mirror, his Elemental Mastery will be increased by 50 for 8 seconds, max 4 stacks. Each stack's duration is counted independently. This effect can be triggered even when the maximum number of Chisel-Light Mirrors has been reached.

C3

Negation

Increases the Level of Universality: An Elaboration on Form by 3.
Maximum upgrade level is 15.

C4

Elucidation

When Particular Field: Fetters of Phenomena is unleashed, the following effects will become active based on the number of Chisel-Light Mirrors consumed and created this time around:

• Each Mirror consumed will increase the Elemental Mastery of all other nearby party members by 30 for 15s.
• Each Mirror generated will grant Alhaitham a 10% Dendro DMG Bonus for 15s.

The pre-existing duration of the aforementioned effects will be cleared if you use Particular Field: Fetters of Phenomena again while they are in effect.

Notes

• The EM buff persists for its full duration even when this character leaves party. Click here for the finding.

C5

Sagacity

Increases the Level of Particular Field: Fetters of Phenomena by 3.
Maximum upgrade level is 15.

C6

Structuration

Alhaitham gains the following effects:

• 2 seconds after Particular Field: Fetters of Phenomena is unleashed, he will generate 3 Chisel-Light Mirrors regardless of the number of mirrors consumed.
• If Alhaitham generates Chisel-Light Mirrors when their numbers have already maxed out, his CRIT Rate and CRIT DMG will increase by 10% and 70% respectively for 6s. If this effect is triggered again during its initial duration, the duration remaining will be increased by 6s.

Notes

• C6 buff duration after bursting depends on how many mirrors exist when the 3 mirrors are generated at burst.
  • Burst -> CA - 6s
  • Burst -> Tap Skill - 12s
  • Burst -> Hold Skill -> Plunge - 18s
  • Burst -> Tap Skill -> Wait for Mirrors from Burst - 18s
• There is a visual indicator for the buff (green trailing light on Alhaitham's right shoulder).

Full Talent Values

Normal Attack: Abductive Reasoning

Name	Lv. 1	Lv. 2	Lv. 3	Lv. 4	Lv. 5	Lv. 6	Lv. 7	Lv. 8	Lv. 9	Lv. 10	Lv. 11
1-Hit DMG	49.5%	53.6%	57.6%	63.3%	67.4%	72.0%	78.3%	84.7%	91.0%	97.9%	104.8%
2-Hit DMG	50.7%	54.9%	59.0%	64.9%	69.0%	73.8%	80.3%	86.7%	93.2%	100.3%	107.4%
3-Hit DMG	34.2%+34.2%	37.0%+37.0%	39.7%+39.7%	43.7%+43.7%	46.5%+46.5%	49.7%+49.7%	54.0%+54.0%	58.4%+58.4%	62.8%+62.8%	67.6%+67.6%	72.3%+72.3%
4-Hit DMG	66.8%	72.2%	77.6%	85.4%	90.8%	97.0%	105.6%	114.1%	122.7%	132.0%	141.3%
5-Hit DMG	83.9%	90.7%	97.5%	107.3%	114.1%	121.9%	132.6%	143.3%	154.1%	165.8%	177.5%
Charged Attack DMG	55.3%+55.3%	59.8%+59.8%	64.2%+64.2%	70.7%+70.7%	75.2%+75.2%	80.3%+80.3%	87.4%+87.4%	94.4%+94.4%	101.5%+101.5%	109.2%+109.2%	116.9%+116.9%
Plunge DMG	63.9%	69.1%	74.3%	81.8%	87.0%	92.9%	101.1%	109.3%	117.5%	126.4%	135.3%
Low/High Plunge DMG	128%/160%	138%/173%	149%/186%	164%/204%	174%/217%	186%/232%	202%/253%	219%/273%	235%/293%	253%/316%	271%/338%

Charged Attack Stamina Cost: 20.0

Universality: An Elaboration on Form

Name	Lv. 1	Lv. 2	Lv. 3	Lv. 4	Lv. 5	Lv. 6	Lv. 7	Lv. 8	Lv. 9	Lv. 10	Lv. 11	Lv. 12	Lv. 13
Rush Attack DMG	193.6% ATK+154.9% Elemental Mastery	208.1% ATK+166.5% Elemental Mastery	222.6% ATK+178.1% Elemental Mastery	242.0% ATK+193.6% Elemental Mastery	256.5% ATK+205.2% Elemental Mastery	271.0% ATK+216.8% Elemental Mastery	290.4% ATK+232.3% Elemental Mastery	309.8% ATK+247.8% Elemental Mastery	329.1% ATK+263.3% Elemental Mastery	348.5% ATK+278.8% Elemental Mastery	367.8% ATK+294.3% Elemental Mastery	387.2% ATK+309.8% Elemental Mastery	411.4% ATK+329.1% Elemental Mastery
1-Mirror Projection Attack DMG	67.2% ATK+134.4% Elemental Mastery	72.2% ATK+144.5% Elemental Mastery	77.3% ATK+154.6% Elemental Mastery	84.0% ATK+168.0% Elemental Mastery	89.0% ATK+178.1% Elemental Mastery	94.1% ATK+188.2% Elemental Mastery	100.8% ATK+201.6% Elemental Mastery	107.5% ATK+215.0% Elemental Mastery	114.2% ATK+228.5% Elemental Mastery	121.0% ATK+241.9% Elemental Mastery	127.7% ATK+255.4% Elemental Mastery	134.4% ATK+268.8% Elemental Mastery	142.8% ATK+285.6% Elemental Mastery
2-Mirror Projection Attack DMG	(67.2% ATK+134.4% Elemental Mastery)×2	(72.2% ATK+144.5% Elemental Mastery)×2	(77.3% ATK+154.6% Elemental Mastery)×2	(84.0% ATK+168.0% Elemental Mastery)×2	(89.0% ATK+178.1% Elemental Mastery)×2	(94.1% ATK+188.2% Elemental Mastery)×2	(100.8% ATK+201.6% Elemental Mastery)×2	(107.5% ATK+215.0% Elemental Mastery)×2	(114.2% ATK+228.5% Elemental Mastery)×2	(121.0% ATK+241.9% Elemental Mastery)×2	(127.7% ATK+255.4% Elemental Mastery)×2	(134.4% ATK+268.8% Elemental Mastery)×2	(142.8% ATK+285.6% Elemental Mastery)×2
3-Mirror Projection Attack DMG	(67.2% ATK+134.4% Elemental Mastery)×3	(72.2% ATK+144.5% Elemental Mastery)×3	(77.3% ATK+154.6% Elemental Mastery)×3	(84.0% ATK+168.0% Elemental Mastery)×3	(89.0% ATK+178.1% Elemental Mastery)×3	(94.1% ATK+188.2% Elemental Mastery)×3	(100.8% ATK+201.6% Elemental Mastery)×3	(107.5% ATK+215.0% Elemental Mastery)×3	(114.2% ATK+228.5% Elemental Mastery)×3	(121.0% ATK+241.9% Elemental Mastery)×3	(127.7% ATK+255.4% Elemental Mastery)×3	(134.4% ATK+268.8% Elemental Mastery)×3	(142.8% ATK+285.6% Elemental Mastery)×3

Projection Attack Interval: 1.6s
Chisel-Light Mirror Removal Interval: 4.0s
CD: 18.0s

Particular Field: Fetters of Phenomena

Name	Lv. 1	Lv. 2	Lv. 3	Lv. 4	Lv. 5	Lv. 6	Lv. 7	Lv. 8	Lv. 9	Lv. 10	Lv. 11	Lv. 12	Lv. 13
Single-Instance DMG	121.6% ATK+97.3% Elemental Mastery	130.7% ATK+104.6% Elemental Mastery	139.8% ATK+111.9% Elemental Mastery	152.0% ATK+121.6% Elemental Mastery	161.1% ATK+128.9% Elemental Mastery	170.2% ATK+136.2% Elemental Mastery	182.4% ATK+145.9% Elemental Mastery	194.6% ATK+155.6% Elemental Mastery	206.7% ATK+165.4% Elemental Mastery	218.9% ATK+175.1% Elemental Mastery	231.0% ATK+184.8% Elemental Mastery	243.2% ATK+194.6% Elemental Mastery	258.4% ATK+206.7% Elemental Mastery

Basic Attack Instances: 4
1-Mirror Attack Instances: 6
2-Mirror Attack Instances: 8
3-Mirror Attack Instances: 10
CD: 18.0s
Energy Cost: 70

Evidence Vault

📄️ Alhaitham

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