Disclaimer: All information is based on unofficial beta leaks from credible sources like Dimbreath and Kazusa. These details are subject to change before official release.

Yao Guang, the Seer Strategist and one of the seven Arbiter-Generals of the Xianzhou Yuque's Cloud Knights, is set to debut as the flagship 5-star character in Honkai: Star Rail Version 4.0. This Physical Elation support (with sub-DPS potential) introduces the new Elation Path, focusing on team-wide buffs, "Punchline" stacks, a deployable Zone, and synergy with future Elation units like SP Sparkle.

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Abilities

Basic ATK: Whistlebolt Sings Joy (Blast)

Deals Physical DMG equal to 45% (126%) of Yao Guang's ATK to a single enemy and 15% (42%) to adjacent foes. Increases Energy regenerated from Basic ATK.

Skill: Decalight Unveils All (Support)

Deploys a Zone for 3 turns (reduced by 1 at Yao Guang's turn start). While active, boosts all allies' Elation by 6.0% (19.5%) of Yao Guang's Elation. Using Basic ATK or Skill grants Yao Guang 3 Punchline stacks.

Ultimate: Hexagram of Feathered Fortune (Support)

Energy Cost: 180
Grants Yao Guang 5 Punchlines. Triggers Aha for 1 extra turn (accounts for a fixed 20 Punchlines; does not consume them). Boosts all allies' All-Type RES PEN by 10.0% (25.0%) for 3 turns.

Talent: Behold Wherever Light Unfolds (Support)

When Yao Guang has Certified Banger, allies trigger Great Boon on attacks: Deals additional Elation DMG (corresponding Type) equal to 12.0% (30.0%) of the attack to 1 random enemy. +1 trigger per Skill Point consumed (up to 3x/attack). Uses Yao Guang's Elation if ally's is lower. (Great Boon not counted as an attack.)

Technique: Untethered Glimmer Sails Far (Support)

Auto-triggers Skill at battle start (no SP cost). Breaking objects grants Red Envelope (up to 8/week).

Elation Skill: Let Thy Fortune Burst in Flames (AoE)

Inflicts Woe's Whisper (3 turns; +10% DMG taken). Deals Physical Elation DMG = 40% (100%) to all enemies, then 10% (25%) to 1 random enemy 5x.

Traces

Trace NameEffect
Amaze-In GraceSPD ≥120: +30% Elation (+1% per excess SPD point, up to 200).
Poised and Sated+60% CRIT DMG. Elation Skill recovers 1 team SP.
Felicity Ensemble+1 turn to Certified Banger duration on obtain.

Eidolons

EidolonNameEffect
E1Chuckle Chimes Where Jade FallsAha extra turn: 30 Punchlines. Elation Skill DMG +40% (140% total).
E2Blind Arrows Guided by FeathersZone: +12% ally SPD, +16% Elation.
E3Auspices Mirrored In DecalightSkill Lv.+2 (max 15), BA Lv.+1 (max 10), Elation Skill Lv.+1 (max 15).
E4Threads of Fate Colored by PlumesAllies' Elation DMG ignores 18% enemy DEF.
E5Bejeweled in Radiant GraceUlt/Talent Lv.+2 (max 15), Elation Skill Lv.+1 (max 15).
E6Ferried Along the Astral Arc+20% team Elation DMG. Elation Skill multiplier +60%.

Signature Light Cone: When She Decided To See (Lv. 80)

Stats: HP 1058, ATK 529, DEF 529
Game Changer: +30% SPD. On entry/Ult: Gains Great Fortune (3 turns). Allies: +14% CRIT Rate, +60% CRIT DMG; wearer: +20% ER.

Quick Analysis

Yao Guang excels as a premium Elation enabler: Zone for Elation buffs, Punchlines for Aha synergy, RES PEN, SP sustain, and Great Boon add-ons (scales with SP consumption). E2+ unlocks SPD/Elation boosts and DEF ignore, making her hypercarry-ready for Elation teams. Early sales may be modest without teammates, but she's foundational for 4.x Elation meta.