Arknights: Endfield

Si Best Builds and Weapons

Last updated on: October 20, 2026 05:54 AM

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Si is a Cryo Supporter Operator in Arknights: Endfield that is best built as a sub-DPS. See a guide on Si's best builds, her recommended gear and weapons, skill priority, and how to play her here!

Si Character Guides
Builds	Teams	Headhunt

List of Contents

Overview & Rating
Build Guide
Weapons
Gear
How to Play
Skills Priority
Abilities
Potentials
Materials
How to Get
Additional Info
Related Guides

Si Character Overview

Si's Overview
	Race: Undisclosed Faction: Hongshan Academy of Sciences EN VA: Shoushou Wang JP VA: Atsumi Tanezaki How to Get: Rejuvenation
Rarity	Element	Weapon
6-Star	Cryo	Greatsword
Class	Main Att.	Sec. Att.
Supporter	Intellect	Strength

Rating: SS Tier

Overall Tier

Si is a support who primarily buffs Heat and Cryo teams with her Ultimate's Amp. Her Talent, Proxy's Patronage, sets her apart from other supports by reducing the Combo Skill cooldown of another Operator in the team. This allows her to enable more Combos in teams that is otherwise impossible without her.

Furthermore, her Combo Skill deals high damage, scaling with the amount of Inflictions consumed. This allows her to contribute better to the team's overall damage, especially on teams with high Infliction consumptions.

How Would You Rate Si?

Your score 5.0

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Stats

	HP	ATK	STR	AGI	INT	WIL
Lv. 1	500	30	17	10	24	10
Lv. 90	5495	309	117	100	179	100

Si Build Guide

Si wants Intellect, Strength, and Combo Skill DMG in her build to supplement her damage as a Sub-DPS while having at least one gear for ULT Efficiency to improve her buff uptime.

Best Sub-DPS Build

Best Weapon	Essence Priority
Jade Vessel	1. Efficacy 2. Intellect Boost 3. Cryo DMG Boost
Best Gears
Type 50 Yinglung Soft Armor		Type 50 Yinglung Gloves (1.6)
Type 50 Yinglung Beacon		Redeemer Seal

Si's best build is the Jade Vessel greatsword along with the Type 50 Yinglung set, using a Redeemer Seal as the off-piece. This build boosts her damage by increasing her Intellect, Strength, and Combo Skill DMG stats while debuffing enemies with the Jade Vessel's Efficacy skill and allowing higher buff uptime with the Redeemer Seal's ULT Efficiency stat.

Alternatively, she can equip an Eternal Xiranite set instead if there's no other Eternal Xiranite user to buff the team's damage. For a more detailed breakdown of her gear options, refer to the gear section below.

All Arknights: Endfield Builds

Si's Best Weapons

Rank	Best Weapons	Essence Priority
1st	Jade Vessel	1. Efficacy 2. Intellect Boost 3. Cryo DMG Boost
2nd	Khravengger	1. Attack Boost 2. Detonate 3. Strength Boost
3rd	Long Heritage	1. Efficacy 2. Intellect Boost 3. Cryo DMG Boost
4th	Exemplar	1. Attack Boost 2. Main Attribute Boost 3. Suppression

Note that as an Operator whose main attribute is Intellect, Si lacks weapon options, as most greatswords tend to increase the Strength or Will stats instead.

Si's best-in-slot weapon is her signature weapon, the Jade Vessel. This weapon provides all the stats she needs to function as a Sub-DPS while having the ability to debuff enemies to improve her support capabilities. Long Heritage performs at a similar capability, but noticeably weaker than Jade Vessel as its buffs are much more saturated than Jade Vessel's debuffs.

Otherwise, Khravengger and Exemplar can be used as stat sticks for its attribute and Attack buffs. Note that either option lacks any supporting capabilities that Jade Vessel and Long Heritage have.

Best Weapons Tier List

Si's Best Gear

Sub-DPS Gear and Gear Set

Best Armor	Best Gloves
Type 50 Yinglung Soft Armor	Type 50 Yinglung Gloves (1.6)
Best Kit I	Best Kit II
Type 50 Yinglung Beacon	Redeemer Seal
Gear Set
Type 50 Yinglung: Wearer's ATK +15% When any operator in the team casts a battle skill, the wearer gains 1 stack of Yinglung's Edge that gives DMG +20% to the wearer's next combo skill. Yinglung's Edge can stack 3 time(s).

Kit Replacement	Description
LYNX Slab	Maximizes damage by sacrificing Ult Efficiency

Si's best gear set for the endgame is the Type 50 Yinglung with a Redeemer Seal off-piece. This set maximizes her own damage with its ATK buff from the set effect and multiple Intellect, Strength, and Combo Skill DMG increases from the pieces, while boosting her ULT Efficiency for better Amp buff uptime.

This gear is especially potent when running Si in Cryo teams with Yvonne or Last Rite, who often consume 3-4 Cryo Inflictions with their abilities to scale up Si's damage.

Redeemer Seal is recommended as the off-piece for the Intellect attribute and ULT Efficiency for better uptime on her buff, as Cryo teams tend to have frequent SP Returns (particularly from Tangtang and Last Rite) that can mess up her Ultimate gain. If you wish to maximize her damage, we recommend using LYNX Slab as the off-piece instead.

Best Gear and Gear Sets for Each Character

Eternal Xiranite Support Gear

Best Armor	Best Gloves
Eternal Xiranite MOD Armor	Eternal Xiranite Channeling Gloves
Best Kit I	Best Kit II
Eternal Xiranite Rangefinder	Redeemer Seal
Gear Set
Eternal Xiranite: Wearer's HP +1000 After the wearer applies Amp, Protected, Susceptibility, or Weakened, other teammates also gain DMG Dealt +16% for 15s. This effect cannot stack.

Kit Replacement	Description
LYNX Slab	Maximizes damage by sacrificing Ult Efficiency

In teams where there are no other users of Eternal Xiranite, such as WILL Arcane or Ardelia, Si can use this set instead to buff the team's damage. Similar to her Type 50 Yinglung build, LYNX Slab may be used over Redeemer Seal to maximize her damage instead.

How to Play Si

Cryo and Heat Sub-DPS

Si is a 6-star Cryo Supporter who plays as a Sub-DPS in Cryo and Heat teams.

She can switch her Battle Skill's Infliction depending on the Operator placed in the first slot, deal damage with her Combo Skill, and buff her team with Cryo and Heat Amp using her Ultimate while reducing the Combo Skill cooldown of the first Operator in the team.

Apply Cryo or Heat Infliction with Battle Skill
Consume Infliction to Trigger Combo Skill
Grant Heat and Cryo Amp with Ultimate

Apply Cryo or Heat Infliction with Battle Skill

Si's Battle Skill, Brushwork Realm, applies Artful Intent and Immobilization while applying Cryo or Heat infliction, depending on the element of the operator in the team's first slot.

If the character in the first slot is another Cryo or non-Heat operator, it will apply Cryo Infliction. If the character is a Heat operator, then Si will apply Heat Infliction instead.

Artful Intent records part of the damage dealt and converts it into Fixed DMG while ignoring the target's DEF, RES, and DMG Reduction effect. Meanwhile, Immobilization can immobilize enemies, stunning them briefly.

Battle Skill Changes to Initial Stroke to Pull an Inksoul

After casting Brushwork Realm, the Battle Skill will temporarily change to Initial Stroke, where Si can pull an Inksoul from the target with Artful Intent. Any Inflictions, special statuses, and damage dealt to the Inksoul or host are shared between them.

If the enemy is defeated before the duration ends, the Inksoul remains on the battlefield and will link to a new enemy to become its new host. Casting before the Inksoul expires will end its duration, return to its host, and trigger the same burst DMG as the Artful Intent does.

Consume Infliction to Trigger Combo Skill

Si's Combo Skill summons an Ink Lung to deal massive Cryo DMG. Her Combo Skill can be triggered after you consume or absorb Infliction stacks. Take note that this skill does not consume Infliction.

The Combo Skill's damage scales with the number of Infliction stacks consumed, so building stacks can benefit her damage output.

Grant Heat and Cryo Amp with Ultimate

Finally, Si summons a Giant Ink Lung in her Ultimate to deal massive Cryo DMG and grant Cryo and Heat Amp to the entire team.

Her Ultimate also reduces the Combo Skill cooldown of the operator in the first position of the team with her Proxy's Patronage Talent.

Si's Skills and Talent Priority

Skills Priority

Priority	Skill	Explanation
1	Ultimate	Level this first to maximize its Amp buffs.
2	Combo Skill	Si's primary source of damage. Level this second.
3	Battle Skill	Level this third to maximize the damage conversion of its Artful Intent.
4	Basic Attack	Does not enhance her performance as a support or sub-dps. Level this last.

Talents Priority

Priority	Talent	Explanation
1	Proxy's Patronage	Unlocks one of her core supporting abilities. Maximize this first.
2	Unsoiled Brush	Unlocks a Haste buff for the team. Level this after all other skills and talents have been upgraded.

Si's Skills

Combat Skills

Basic Attack - Artistic Urge

Attack	Description
Basic Attack	An attack with up to 5 sequences that deals Cryo DMG. As the controlled operator, Final Strike also deals 18 Stagger.
Dive Attack	Basic attack performed mid-air becomes a dive attack that deals Cryo DMG to nearby enemies.
Finisher Attack	Basic attack performed near a Staggered enemy becomes a finisher that deals massive Cryo DMG and recovers some SP.

Stat	Effect
BATK SEQ 1 Multiplier	20%
BATK SEQ 2 Multiplier	32%
BATK SEQ 3 Multiplier	29%
BATK SEQ 4 Multiplier	24%
BATK SEQ 5 Multiplier	64%
Dive ATK Multiplier	80%
Finisher ATK Multiplier	400%

Battle Skill - Brushwork Realm

Skill	Details
Brushwork Realm	Description: Si deals Cryo DMG and applies Artful Intent, Immobilization, and Cryo Infliction (or Heat Infliction if a Heat element operator is in Team Position 01) on the target. After a target with Artful Intent takes DMG, part of the DMG taken is recorded. When the duration of Artful Intent ends, it bursts and deals Fixed DMG equal to the DMG recorded. After casting the skill, Si's battle skill is temporarily changed to Initial Stroke. Initial Stroke: Costs 15 SP. Si pulls an Inksoul from a target with Artful Intent. All DMG dealt and effects applied to the Inksoul will also be dealt to its host (the said target). The Inksoul lasts as long as the remaining duration of Artful Intent. After casting the skill, Si's battle skill is temporarily changed to Final Stroke. Final Stroke: Costs no SP. Makes the Inksoul disappear early. When disappearing, the Inksoul will move to its host and trigger a burst like the ending burst of Artful Intent. When dealing DMG or applying effects to both the Inksoul and the host, only 1 instance of the DMG or effect is dealt/applied. If the host is defeated during the Inksoul's duration, it will link to another enemy in combat and apply Artful Intent to it. This does not reset the duration of Artful Intent. If a target with Artful Intent is defeated without having its Inksoul drawn out of it, the defeated will drop an Inksoul at its location.
	Cost	100

	Cooldown	-

Stat	Effect
DMG Multiplier	44%
Immobilization Duration (s)	1
Artful Intent Duration (s)	20
DMG Record Ratio	8%
Stagger	5
Artful Intent Burst Stagger	5

Combo Skill - Fully Envisioned

Skill	Details
Fully Envisioned	Description: Si summons an Ink Lung that deals Cryo DMG. This DMG is based on the highest stacks of Arts Infliction consumed or absorbed from a single target. Trigger: When an enemy's Cryo Infliction or Heat Infliction is consumed or absorbed.
	Cost	-

	Cooldown	16

Stat	Effect
DMG Multiplier	333%
Multiplier Increase per Stack Consumed or Absorbed	44%
Stagger	10
Ultimate Energy Gain	10

Ultimate - No One Spoils the Fun

Skill	Details
No One Spoils the Fun	Description: Si summons a Giant Ink Lung from her painting that deals Cryo DMG and grants temporary Cryo Amp and Heat Amp to the entire team.
	Cost	80

	Cooldown	30

Stat	Effect
DMG Multiplier	222%
Stagger	20
Amp	20%
Amp Duration (s)	12

Attribute Increases

Attribute Increase	Effects
Keen Mind	Lv. 1: Operator Intellect +10 Lv. 2: Operator Intellect +15 Lv. 3: Operator Intellect +15 Lv. 4: Operator Intellect +20

Talents

Talent	Effects
Proxy's Patronage	Lv. 1: Ultimate skill No One Spoils the Fun improved: After casting, Team Position 01 operator's combo skill cooldown length -10s. Lv. 2: Ultimate skill No One Spoils the Fun improved: After casting, Team Position 01 operator's combo skill cooldown length -20s.
Unsoiled Brush	Lv. 1: When the Inksoul disappears, allied operators gain 15% Haste for 5s. Lv. 2: When the Inksoul disappears, allied operators gain 30% Haste for 5s.

Base Skills

Infra Skill	Description
Ware is the Geist β	α: Assign to Reception Room to grant operator clue collecting efficiency +20% β: Assign to Reception Room to grant operator clue collecting efficiency +30%
Ink Spirit Aide β	α: Assign to Reception Room to slow Mood Drop of all operators in it by 14% β: Assign to Reception Room to slow Mood Drop of all operators in it by 18%

Si's Potentials

All Potential Effects

Level	Potential
1	Spring and Autumn as Ink Battle skill Brushwork Realm improved: Duration of Immobilization applied +50%; Artful Intent DMG Record Ratio +7% and burst radius +40%.
2	Three Marks Deep in Wood Combo skill Fully Envisioned improved: When casting, Si gains ATK +(8% + 3%x(Highest stacks of Arts Infliction consumed or absorbed from a single target)) for 10s. This effect cannot stack.
3	Study of Muscles and Bones Ultimate No One Spoils the Fun improved: DMG Dealt is increased to 1.2 times the original; Amp effect is increased to 1.2 times the original.
4	Perfectly Composed in Spirit Ultimate No One Spoils the Fun improved: Ultimate Energy cost -15%.
5	Brush Dab in Eye's White Combo skill Fully Envisioned improved: Length of combo skill cooldown -2s and DMG Dealt is increased to 1.15 times the original. When triggered, treat the combo skill as having consumed or absorbed 1 additional stack of infliction.

》To increase a Character's Potential Level, get duplicates of them by pulling from banners they're available in!

Si Upgrade Materials

Total Promotion Materials

Materials Needed	Total
Pink Bolete	x3
Red Bolete	x5
Ruby Bolete	x5
Cosmagaric	x8
Protodisk	x33
Protoset	x60
Warp Plasma-Coated Slide	x20
T-Creds	x152,200

Lvl.	Character Promotion Materials
20 ➔ 40	Pink Bolete x3 Protodisk x8 T-Creds x1,600
Outfitting 1	T-Creds x1,600
40 ➔ 60	Red Bolete x5 Protodisk x25 T-Creds x6,500
Outfitting 2	T-Creds x6,500
60 ➔ 80	Ruby Bolete x5 Protoset x24 T-Creds x18,000
Outfitting 3	T-Creds x18,000
80 ➔ 90	Cosmagaric x8 Protoset x36 Warp Plasma-Coated Slide x20 T-Creds x100,000

Total Skill Materials

Materials Needed	Total
Kalkodendra	x12
Chrysodendra	x16
Vitrodendra	x16
False Aggela	x84
Protoprism	x328
Protohedron	x472
D96 Steel Sample 4	x116
T-Creds	x688,800

Lvl.	Character Promotion Materials
1 ➔ 2	Protoprism x6 Kalkodendra x1 T-Creds x1,000
2 ➔ 3	Protoprism x12 Kalkodendra x2 T-Creds x2,700
3 ➔ 4	Protoprism x16 Chrysodendra x1 T-Creds x3,200
4 ➔ 5	Protoprism x21 Chrysodendra x1 T-Creds x4,200
5 ➔ 6	Protoprism x27 Chrysodendra x2 T-Creds x5,400
6 ➔ 7	Protohedron x6 Vitrodendra x1 T-Creds x8,200
7 ➔ 8	Protohedron x8 Vitrodendra x1 T-Creds x10,500
8 ➔ 9	Protohedron x15 Vitrodendra x2 T-Creds x18,000
Mastery 1	Artistic Urge Mark of Perseverance x1 Protohedron x15 False Aggela x3 D96 Steel Sample 4 x6 T-Creds x24,000 Brushwork Realm Mark of Perseverance x1 Protohedron x15 False Aggela x3 Metadiastima Photoemission Tube x6 T-Creds x24,000 Fully Envisioned Mark of Perseverance x1 Protohedron x15 False Aggela x3 D96 Steel Sample 4 x6 T-Creds x24,000 No One Spoils the Fun Mark of Perseverance x1 Protohedron x15 False Aggela x3 Metadiastima Photoemission Tube x6 T-Creds x24,000
Mastery 2	Artistic Urge Mark of Perseverance x2 Protohedron x24 False Aggela x6 D96 Steel Sample 4 x16 T-Creds x30,000 Brushwork Realm Mark of Perseverance x2 Protohedron x24 False Aggela x6 Metadiastima Photoemission Tube x16 T-Creds x30,000 Fully Envisioned Mark of Perseverance x2 Protohedron x24 False Aggela x6 D96 Steel Sample 4 x16 T-Creds x30,000 No One Spoils the Fun Mark of Perseverance x2 Protohedron x24 False Aggela x6 Metadiastima Photoemission Tube x16 T-Creds x30,000
Mastery 3	Artistic Urge Mark of Perseverance x3 Protohedron x50 False Aggela x12 D96 Steel Sample 4 x36 T-Creds x65,000 Brushwork Realm Mark of Perseverance x3 Protohedron x50 False Aggela x12 Metadiastima Photoemission Tube x36 T-Creds x65,000 Fully Envisioned Mark of Perseverance x3 Protohedron x50 False Aggela x12 D96 Steel Sample 4 x36 T-Creds x65,000 No One Spoils the Fun Mark of Perseverance x3 Protohedron x50 False Aggela x12 Metadiastima Photoemission Tube x36 T-Creds x65,000

Total Talent Materials

Materials Needed	Total
Protoprism	x133
Protohedron	x90
T-Creds	x98,400

Lvl.	Character Promotion Materials
Keen Mind Lv.1	Protoprism x5 T-Creds x1,000
Keen Mind Lv.2	Protoprism x10 T-Creds x1,800
Keen Mind Lv.3	Protohedron x10 T-Creds x6,000
Keen Mind Lv.4	Protohedron x20 T-Creds x12,000
Proxy's Patronage Lv.1	Protoprism x12 T-Creds x2,400
Proxy's Patronage Lv.2	Protoprism x40 T-Creds x8,600
Unsoiled Brush Lv.1	Protoprism x48 T-Creds x10,000
Unsoiled Brush Lv.2	Protohedron x28 T-Creds x24,000
Ware is the Geist β Lv.1	Protoprism x6 T-Creds x1,600
Ware is the Geist β Lv.2	Protohedron x12 T-Creds x8,000
Ink Spirit Aide β Lv.1	Protoprism x12 T-Creds x3,000
Ink Spirit Aide β Lv.2	Protohedron x20 T-Creds x20,000

How to Get Si

Obtained From Rejuvenation

Rejuvenation
Start Date	Oct. 14, 2026 (UTC-5) Oct. 15, 2026 (UTC+8)
End Date	Nov. 05, 2026 (UTC-5) Nov. 05, 2026 (UTC+8)

Si can be obtained by pulling from their exclusive headhunting banner, Rejuvenation.

Rejuvenation Schedule

Additional Information for Si

Voice Actors

	Voice Actor & Notable Roles
EN	shoushouwong
JP	Atsumi Tanezaki • Frieren (Frieren: Beyond the Journey's End) • Gyokuyou (Apothecary Diaries) • Anby Demara (Zenless Zone Zero)

All Voice Actors List

Best Gifts

Favorites	Yuanyuan Manor Jigsaw
Alternatives	Bizarro Cupcake Frontiers Watch Aurylene Camera Breeze of Kjersch

Best Gifts & How to Give Them

Who is Si? (Lore)

A Humanoid Avatar of the Feranmut

Arknights Endfield - Feranmut Proxy from Livestream

Proxy is a humanoid avatar of the Feranmut whose presence and help has been felt since the Tales of Old questline. She was first teased to be playable during the Version 1.2 livestream.

She has been assisting Arcane and the Endfield Crisis team in Marker Stone in the form of a Butterfly Ink Spirit, before Ardashir could destroy the whole of Wuling.

Tales of Old Main Mission Guide

Arknights: Endfield Related Guides

List of All Characters

Other Character Guides

Other Character Lists
Upcoming Characters	Returning Characters
Free Characters	All Voice Actors
List of Factions	-

Character List By Type

Characters by Rarity
★★★★★★ 6-Stars	★★★★★ 5-Stars		★★★★ 4-Stars
Characters by Gender
Male Characters		Female Characters
Characters by Element
Physical	Heat		Cryo
Electric		Nature
Characters by Role
Vanguard	Striker		Guard
Defender	Caster		Supporter
Characters by Weapon
Sword	Greatsword		Polearm
Handcannon		Arts Unit
Characters by Race
Anasa	Anaty		Caprinae
Cautus	Feline		Kuranta
Kylin	Liberi		Lung
Lupo	Perro		Phidia
Sankta	Sarkaz		Savra
Ursus	Vouivre		Vulpo

All Playable Characters (Operators)

Si (Build \| Teams)	Typhoeus (Build \| Teams)	Liino (Build \| Teams)
Arcane (Build \| Teams)	Camille (Build \| Teams)	Mi Fu (Build \| Teams)
Zhuang Fangyi (Build \| Teams)	Rossi (Build \| Teams)	Tangtang (Build \| Teams)
Yvonne (Build \| Teams)	Gilberta (Build \| Teams)	Laevatain (Build \| Teams)
Ardelia (Build \| Teams)	Ember (Build \| Teams)	Endministrator (Build \| Teams)
Last Rite (Build \| Teams)	Lifeng (Build \| Teams)	Pogranichnik (Build \| Teams)
Alesh (Build \| Teams)	Arclight (Build \| Teams)	Avywenna (Build \| Teams)
Chen Qianyu (Build \| Teams)	Da Pan (Build \| Teams)	Perlica (Build \| Teams)
Purrchena (Build \| Teams)	Snowshine (Build \| Teams)	Wulfgard (Build \| Teams)
Xaihi (Build \| Teams)	Akekuri (Build \| Teams)	Antal (Build \| Teams)
Catcher (Build \| Teams)	Estella (Build \| Teams)	Fluorite (Build \| Teams)

All Upcoming Characters (Operators)

Argent Flow

Kay

All Non-Playable Characters

Lycia	M3	Nefarith
Ardashir	Andre

Comment

Dr_Verv 16 days

She's op fr fr

tractor4505 about 2 months

Me want Si!🤤

Post (2 Comments)

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Si (Build \| Teams)	Typhoeus (Build \| Teams)	Liino (Build \| Teams)
Arcane (Build \| Teams)	Camille (Build \| Teams)	Mi Fu (Build \| Teams)
Zhuang Fangyi (Build \| Teams)	Rossi (Build \| Teams)	Tangtang (Build \| Teams)
Yvonne (Build \| Teams)	Gilberta (Build \| Teams)	Laevatain (Build \| Teams)
Ardelia (Build \| Teams)	Ember (Build \| Teams)	Endministrator (Build \| Teams)
Last Rite (Build \| Teams)	Lifeng (Build \| Teams)	Pogranichnik (Build \| Teams)
Alesh (Build \| Teams)	Arclight (Build \| Teams)	Avywenna (Build \| Teams)
Chen Qianyu (Build \| Teams)	Da Pan (Build \| Teams)	Perlica (Build \| Teams)
Purrchena (Build \| Teams)	Snowshine (Build \| Teams)	Wulfgard (Build \| Teams)
Xaihi (Build \| Teams)	Akekuri (Build \| Teams)	Antal (Build \| Teams)
Catcher (Build \| Teams)	Estella (Build \| Teams)	Fluorite (Build \| Teams)

Si Best Builds and Weapons

Si Character Overview

Rating: SS Tier

How Would You Rate Si?

Stats

Si Build Guide

Best Sub-DPS Build

Si's Best Weapons

Si's Best Gear

Sub-DPS Gear and Gear Set

Eternal Xiranite Support Gear

How to Play Si

Cryo and Heat Sub-DPS

Apply Cryo or Heat Infliction with Battle Skill

Battle Skill Changes to Initial Stroke to Pull an Inksoul

Consume Infliction to Trigger Combo Skill

Grant Heat and Cryo Amp with Ultimate

Si's Skills and Talent Priority

Skills Priority

Talents Priority

Si's Skills

Combat Skills

Basic Attack - Artistic Urge

Battle Skill - Brushwork Realm

Combo Skill - Fully Envisioned

Ultimate - No One Spoils the Fun

Attribute Increases

Talents

Base Skills

Si's Potentials

All Potential Effects

Si Upgrade Materials

Total Promotion Materials

Total Skill Materials

Total Talent Materials

How to Get Si

Obtained From Rejuvenation

Additional Information for Si

Voice Actors

Best Gifts

Who is Si? (Lore)

A Humanoid Avatar of the Feranmut

Arknights: Endfield Related Guides

Other Character Guides

Character List By Type

All Playable Characters (Operators)

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