BEST
GENSHIN IMPACT GUIDES & BUILDS
Electro · PolearmIANSAN
★★★★
ATK Buffer · Support
BEST ARTIFACTS
ALTERNATIVE
Noblesse
ALTERNATIVE
Instructor
BEST WEAPONS
BEST IN SLOT
Favonius Lance
OPTION
Engulfing Lightning
OPTION
Deathmatch
OPTION
Rightful Reward
OPTION
Black Tassel
RECOMMENDED STATS
SandsATK% or ER
GobletElectro DMG or main scaling
CircletCRIT or support statBEST TEAMS
Varesa
Mavuika
Clorinde
Accessible
ALTERNATIVES
Support
Heal / Shield
Sub DPS
BEST CONSTELLATIONS
C1Starting's Never Easy
When Iansan is in combat and is in the Nightsoul's Blessing state, she will restore 15 Elemental Energy for every 6 Nightsoul points she consumes. This effect can trigger once every 18s.
C2Laziness is the Enemy!
When using the Elemental Burst The Three Principles of Power, Iansan will also gain the Precise Movement effect from her Ascension Talent "Enhanced Resistance Training" for 15s. Additionally, if Iansan is off-field while Precise Movement is active, she will also increase your current active character's ATK by 30%.
C3Scientific Diet Planning
Increases the Level of Thunderbolt Rush by 3. Maximum upgrade level is 15.
C4Slow and Steady Wins the Race
When the Kinetic Energy Scale is present, Iansan will gain 2 stacks of Surging Force after your current active character (excluding herself) uses their Elemental Burst. The stacks last until the Scale leaves the field, and Surging Force can be gained once per Scale summoning. Whenever Iansan restores Nightsoul points via the Scale, she will consume 1 Surging Force stack and restore 4 additional Nightsoul points.
C5We Can Push It Further!
Increases the Level of The Three Principles of Power by 3. Maximum upgrade level is 15.
C6Teachings of the Collective of Plenty
The Kinetic Energy Scale's duration is increased by 3s. Additionally, when Iansan triggers Nightsoul point restoration, if there is any overflow, she will gain the Extreme Force effect, which increases the DMG dealt by your current active character by 25% for 3s.
ABILITIES PRIORITY
HIGHEST PRIORITY
Thunderbolt Rush
Iansan charges forward a certain distance, dealing Nightsoul-aligned Electro DMG to all opponents in her path. After this Skill is used, Iansan will regain 54 Nightsoul points and enter the Nightsoul's Blessing state. Within 5s after this is done, using a Normal Attack will trigger 1 quick Swift Stormflight stomp from Iansan that will not consume Stamina.
SECOND PRIORITY
The Three Principles of Power
Iansan's stomping foot shatters the very earth with "Power," dealing Nightsoul-aligned AoE Electro DMG. She then whips out her "Limited-Edition Kinetic Energy Scale (For Workouts)." When this Skill is used, Iansan will gain 15 Nightsoul points and enter the Nightsoul's Blessing state. When the Kinetic Energy Scale leaves the field, Iansan's Nightsoul's Blessing state will end.
LOWEST PRIORITY
Weighted Spike
Normal Attack Performs up to 3 consecutive spear strikes. Plunging Attack Plunges from mid-air to strike the ground below, damaging opponents along the path and dealing AoE DMG upon impact. Charged Attack will be transformed into the formidable Swift Stormflight, consuming a certain amount of Stamina to stomp fiercely down, dealing Nightsoul-aligned AoE Electro DMG.
PASSIVE TALENTS
PASSIVE
Enhanced Resistance Training
After Swift Stormflight hits opponents, Iansan will gain the Precise Movement effect for 15s. During this time, her ATK is increased by 20%, and whenever she regains Nightsoul points through the Kinetic Energy Scale in her Elemental Burst, The Three Principles of Power, she will gain 1 extra Nightsoul point. Additionally, when your current active party member consumes or restores Nightsoul points, the extra Nightsoul points Iansan gains the next time she restores Nightsoul points via the Scale will be increased to 4. This effect can occur once every 2.8s. "Precise Movement" will expire when Iansan's Nightsoul's Blessing state ends.
PASSIVE
Kinetic Energy Gradient Test
When a nearby party member triggers a Nightsoul Burst, Iansan will obtain the Warming Up effect for 10s. During this time, when Iansan restores at least 1 Nightsoul point, she will heal your current active character for 60% of her ATK. This effect can be triggered once every 2.8s.
PASSIVE
Night Realm's Gift: Hard Work and Drive
After Nightsoul points have been fully depleted and Iansan is on the field, she will switch to using Phlogiston to maintain her Nightsoul's Blessing. While in an area with Phlogiston Mechanics within Natlan, Nightsoul Transmission: Iansan can be used. When the current active character is sprinting or in movement modes caused by certain Talents, or at a certain height in the air, switching to Iansan will trigger the following: Iansan enters the Nightsoul's Blessing state and obtains 25 Nightsoul points. Nightsoul Transmission can be triggered once every 10s by your own party. While in an area with Phlogiston Mechanics within Natlan, Iansan will not take fall DMG when using terrain differences to make leaps.
QUICK ANSWERS
IANSAN BUILD FAQ
Clear answers to the most common IANSAN build questions.
What is the best IANSAN build?
IANSAN is built as ATK Buffer · Support. Start with Scroll, use Favonius Lance when available, then meet the recommended stat targets before chasing additional damage substats.
Which artifact set is best for IANSAN?
Scroll is the primary recommendation in this guide. The alternative sets above may perform better when another teammate already supplies the same buff or when their substats are substantially stronger.
What weapon should IANSAN use?
Favonius Lance is the featured best-in-slot option. The weapon section also lists accessible alternatives with their Level 90 stats and the situation where each choice is most useful.
Which stats should I prioritize on IANSAN?
Prioritize the main stats and substats listed in the Recommended Stats section.
Which talent should I level first on IANSAN?
Prioritize Thunderbolt Rush. Raise the remaining talents according to the priority cards above so resources are spent on the abilities that contribute most to IANSAN's role.
What team works well with IANSAN?
Varesa is the first recommended composition. The Teams section includes additional premium and accessible alternatives so you can replace unavailable characters without losing the core game plan.