Kirisame Riku

Lore

Kirisame Riku is known as the astral bloom of Sumeru, admired for discipline in battle and careful command of Pyro.

Meta

• Title: Astral Bloom
• Birthday: 27 May
• Association: Sumeru
• Affiliation: Adventurers Guild
• Constellation: Panthera Noctis
• Element: Pyro
• Release: 2026-06-08
• Chinese voice actor: Qin Yi
• Japanese voice actor: Aoi Koga
• English voice actor: Maya Reid
• Korean voice actor: Choi Ara

Base Stats

• Base HP: 1039
• Base ATK: 26
• Base DEF: 72
• CRIT Rate: 14.4%
• CRIT DMG: 50%
• Extra: Elemental Mastery +72

Why This Character Is Good

Kirisame Riku brings stable Pyro application, enabling teams to rotate cleanly around Burgeon.

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

Abilities

• Normal Attack - Astral Sequence: Performs up to 5 strikes with claymore techniques. Charged Attack consumes stamina to release a stronger Pyro strike.
• Elemental Skill - Astral Sigil (CD 8s): Marks nearby enemies with a sigil, dealing Pyro DMG and granting a short team buff tied to Burgeon.
• Elemental Burst - Bloom Manifest (Cost 80): Unleashes sustained Pyro 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): 440% Pyro DMG
• Elemental Burst (Lv.10): 620% Pyro DMG
• Passive Bonus: +12% CRIT Rate while shielded

Passive Talents

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

Constellations

• C1 Astral Opening: Elemental Skill gains 1 additional charge.
• C2 Bloom Oath: Burst duration increases by 3s and grants 15% Pyro 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 Astral Zenith: Normal and Charged Attacks gain infusion and deal bonus Pyro DMG based on Elemental Mastery.

Food Specialty

• Kirisame Riku's Traveler Lunch: Restores 34% HP and regenerates 1900 HP.

Ascension Cost

• Mora: 2092530
• Hero's Wit: 419
• Boss Drops: 50
• Local Specialty: 168
• Common Drops: 30

Ascension Materials

• Golden Raven Insignia
• Ashen Crystal Of Verdure
• Sergeant Insignia
• Lakelight Lily
• Moonlit Core Of Embers

Talent Materials

• Vayuda Turquoise Sliver
• Silver Raven Insignia
• Onikabuto
• Radiant Catalyst For Thunder
• Calla Lily

Build Suggestions

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

Weapons

• Burnished Edge (Claymore, ★★★★★): Option 1 fits Pyro teams by improving burst uptime or amplifying Melt damage windows.
• Silent Edge (Claymore, ★★★★): Option 2 fits Pyro teams by improving burst uptime or amplifying Melt damage windows.
• Ancient Needle (Claymore, ★★★★): Option 3 fits Pyro teams by improving burst uptime or amplifying Melt damage windows.

Teammates

• Aurelien Vernier (Main DPS): Aurelien Vernier adds value as Main DPS because As a Main DPS, Aurelien Vernier helps stabilize team tempo around Burning.
• Bennett (Support): Bennett adds value as Support because ATK buff and healing stabilize high-risk rotations.
• Dehya (Shielder): Dehya adds value as Shielder because Dehya slots well into Pyro teams thanks to steady pressure and Burning triggers.