Iansan

Lore

Iansan is known as the crimson cascade of Liyue, admired for discipline in battle and careful command of Dendro.

Meta

• Title: Crimson Cascade
• Birthday: 7 May
• Association: Liyue
• Affiliation: Knights of Favonius
• Constellation: Corvus Aurora
• Element: Dendro
• Release: 2026-06-13
• Chinese voice actor: Su Wan
• Japanese voice actor: Kana Ueda
• English voice actor: Erica Hart
• Korean voice actor: Kim I-an

Base Stats

• Base HP: 1211
• Base ATK: 18
• Base DEF: 57
• CRIT Rate: 14.4%
• CRIT DMG: 62.2%
• Extra: Elemental Mastery +96

Why This Character Is Good

Iansan excels as a Healer by maintaining Dendro uptime and forcing reliable Burgeon windows.

Iansan rewards timing-based combos: weave Normal Attacks between Skill and Burst to maintain buffs and trigger Burgeon.

Abilities

• Normal Attack - Crimson Sequence: Performs up to 5 strikes with claymore techniques. Charged Attack consumes stamina to release a stronger Dendro strike.
• Elemental Skill - Crimson Sigil (CD 15s): Marks nearby enemies with a sigil, dealing Dendro DMG and granting a short team buff tied to Burgeon.
• Elemental Burst - Cascade Manifest (Cost 80): Unleashes sustained Dendro damage in an area and amplifies the on-field character reaction damage for 12s.

Talent Values

• Normal Attack (Lv.10): 210% total combo multiplier
• Elemental Skill (Lv.10): 320% Dendro DMG
• Elemental Burst (Lv.10): 820% Dendro DMG
• Passive Bonus: +20 Elemental Mastery for 8s

Passive Talents

• A1: Triggering Burgeon grants Iansan 20 Elemental Mastery for 8s (max 3 stacks).
• A4: After using Elemental Burst, all party members gain 12% Dendro DMG Bonus for 10s.
• Utility: Expedition time in Liyue is reduced by 25%.

Constellations

• C1 Crimson Opening: Elemental Skill gains 1 additional charge.
• C2 Cascade Oath: Burst duration increases by 3s and grants 15% Dendro RES shred.
• C3 Refined Motion: Elemental Skill level +3.
• C4 Tactical Convergence: Party gains 80 Elemental Mastery for 8s after Burst cast.
• C5 Everbright Form: Elemental Burst level +3.
• C6 Crimson Zenith: Normal and Charged Attacks gain infusion and deal bonus Dendro DMG based on Elemental Mastery.

Food Specialty

• Iansan's Moonlight Bento: Restores 34% HP and regenerates 1900 HP.

Ascension Cost

• Mora: 2092530
• Hero's Wit: 419
• Boss Drops: 54
• Local Specialty: 172
• Common Drops: 36

Ascension Materials

• Naku Weed
• Nagadus Emerald Sliver
• Moonlit Core Of Embers
• Agnidus Agate Sliver
• Chaos Axis

Talent Materials

• Hallowed Seal Under Solstice
• Silver Raven Insignia
• Shivada Jade Sliver
• Hallowed Crystal Of Veil
• Slime Condensate

Build Suggestions

• Artifact: Echoes Of Natlan - Iansan needs uptime, reaction consistency, and burst scaling, all supported by this set.
• Recommended Weapon: Radiant Edge (Claymore, ★★★★★) - Option 1 fits Dendro teams by improving burst uptime or amplifying Hyperbloom damage windows.

Weapons

• Radiant Edge (Claymore, ★★★★★): Option 1 fits Dendro teams by improving burst uptime or amplifying Hyperbloom damage windows.
• Silent Compass (Claymore, ★★★★): Option 2 fits Dendro teams by improving burst uptime or amplifying Hyperbloom damage windows.
• Radiant Refrain (Claymore, ★★★★): Option 3 fits Dendro teams by improving burst uptime or amplifying Hyperbloom damage windows.

Teammates

• Illuga (Sub-DPS): Illuga adds value as Sub-DPS because Illuga keeps Quicken uptime high while rotating as a Sub-DPS.
• Emilie (Main DPS): Emilie adds value as Main DPS because As a Main DPS, Emilie helps stabilize team tempo around Bloom.
• Keqing (Main DPS): Keqing adds value as Main DPS because As a Main DPS, Keqing helps stabilize team tempo around Spread.