Summary
- HSR Phainon build focuses on maximizing Physical DMG with key stats like CRIT Rate, CRIT DMG, ATK%, and SPD.
- Use his signature Light Cone, Thus Burns the Dawn, for the best DPS results, with solid alternatives like On the Fall of an Aeon.
- Wavestrider Captain is the top Relic set, offering huge boosts to CRIT DMG and ATK; Scholar Lost in Erudition is a strong alternative.
- The team supports like Sunday, Robin, and Hyacine, enhance Phainon’s damage and survivability during his Ultimate.
Best Honkai Star Rail Phainon Build
Phainon is a powerful 5-star Physical DPS character on The Destruction Path in Honkai Star Rail. His unique kit allows him to shine as a main damage dealer, especially when built with the right Light Cones, Relics, and team support. This detailed Phainon build guide covers everything you need to know to maximize his potential.
Top Light Cones for Phainon
Phainon’s signature Light Cone, Thus Burns the Dawn, is the best choice to boost his damage and speed. It increases his SPD and allows him to partially ignore enemy DEF when attacking, while granting the powerful Blazing Sun effect after his Ultimate, increasing all damage dealt for one turn.
Other excellent Light Cones include:
- On the Fall of an Aeon (5-Star) – Offers solid offensive boosts suitable for DPS roles.
- Brighter Than the Sun (5-Star) – Great for increasing critical damage and overall damage output.
- Something Irreplaceable (5-Star) – Provides useful combat bonuses.
- A Trail of Bygone Blood (4-Star) – Good free-to-play option with crit rate and skill damage bonuses.
- Nowhere to Run (4-Star) and Under the Blue Sky (4-Star) – Viable alternatives for budget builds.
Relics for Best Phainon Build
To fully unleash Phainon’s DPS, focus on Relics that increase ATK, SPD, CRIT Rate, and CRIT DMG. The Wavestrider Captain 4-piece set is the top choice, as it grants +16% CRIT DMG and stacks of Help that boost ATK by 48% when consumed by his Ultimate.
If you want to maximize Skill and Ultimate damage, the Scholar Lost in Erudition set is a strong alternative. It increases CRIT Rate by 8% and boosts Skill and Ultimate DMG, with additional bonuses after casting an Ultimate.
Recommended Planar Ornaments include:
- Arcadia of Woven Dreams (2-piece) – Increases damage significantly when Phainon is alone on the field during his Ultimate.
- Rutilant Arena – Enhances Skill DMG and CRIT Rate.
- Bone Collection’s Serene Demesne – Boosts CRIT DMG, especially effective when HP is above 5000.
Ideal Stats for Phainon Relics
- Head: HP (Primary), ATK %, CRIT DMG, CRIT Rate, SPD
- Hands: ATK (Primary), ATK %, CRIT DMG, CRIT Rate, SPD
- Body: CRIT DMG or CRIT Rate (Primary), ATK %, SPD
- Feet: SPD (Primary), ATK %, CRIT DMG, CRIT Rate
- Planar Sphere: Physical DMG (Primary), ATK %, CRIT DMG, CRIT Rate, SPD
- Link Rope: ATK % (Primary), CRIT DMG, CRIT Rate, SPD
Team Compositions for Best Phainon Build
Since Phainon isolates himself during his Ultimate, his best teams focus on providing buffs before his transformation and healing or supporting him afterward. Key teammates include:
- Sunday (Support) – Offers strong buffs and healing.
- Robin (Support) – Great for enhancing team damage.
- Hyacine (Support) – Provides healing and Max HP boost, synergizing well with Phainon’s SPD boosts.
Other viable team members to complement Phainon’s playstyle:
- Trailblazer (Remembrance)
- Aventurine
- Huohuo
- Bronya
- Sparkle
- Ruan Mei
- Fugue
- Asta
- Tingyun
- Hanya
Phainon Ascension and Trace Materials
To ascend Phainon to level 80 and unlock his full potential, gather these materials:
- Credits: 308,000
- Ethereal Omen: 15
- Echoing Wail: 15
- Eternal Lament: 15
- Invasive Clot: 65
Materials for Trace upgrades include:
- Credits: 3,000,000
- Ethereal Omen: 41
- Echoing Wail: 56
- Eternal Lament: 58
- Borisin Teeth: 18
- Lupitoxin Sawteeth: 69
- Moon Rage Fang: 139
- Daythunder Anamnesis: 12
- Tracks of Destiny: 8
You can farm Ethereal Omen, Echoing Wail, and Eternal Lament from enemies on Amphoreus and in the Simulated Universe. Invasive Clots drop in Stagnant Shadow (Styxia, Dragonbone City). Borisin Teeth, Lupitoxin Sawteeth, and Moon Rage Fang come from Crimson Calyx in Scalegorge Waterscape on Penacony.
Daythunder Anamnesis is rarer, obtained from the Echo of War domain “Eye of Twilight, Fortress of Dome.” Tracks of Destiny are available from limited-time events, Embers Exchange, Nameless Honor, or Simulated Universe Points Rewards.
Conclusion
Phainon is a formidable Physical DPS who thrives with the right combination of Light Cones, Relics, and team supports. Prioritize maximizing his CRIT Rate, CRIT DMG, ATK, and SPD stats to enhance his damage output. Using his signature Light Cone and the Wavestrider Captain relic set will provide the biggest DPS boost, while his teammates can keep him buffed and healed through his isolating Ultimate.
Also, prepare his ascension and trace materials in advance to have the best Phainon build.
