Yaoguang E1 Guide: Best F2P Build for HSR 4.0 (2026)

Yaoguang's hitting HSR 4.0 on January 29, 2026, and her E1 might just be the smartest pull F2P players can make. This 5-star Nihility character brings serious value to the table – we're talking optimal relic builds, 4-star light cone strategies, and team comps that'll carry you through Version 4.0's toughest content.

Author: BitTopup Publish at: 2025/12/08

Why Yaoguang's E1 Is a Game-Changer for F2P Players

Here's what experienced players already know: not all E1s are created equal. Yaoguang's different.

This Arbiter-General with Seer Strategist credentials isn't just another pretty face in the Nihility roster. Her kit revolves around DoT mechanics and debuff application that bridges memory and disillusionment – sounds fancy, but what it really means is consistent damage output that doesn't rely on perfect timing or premium gear.

Recent leaks confirm something interesting: she actually outperforms SP Sparkle Hanami in F2P Edo Star Elation teams. We're talking superior shared DPS and sustain capabilities that make her worth the investment.

But here's where E1 becomes crucial. The energy regeneration improvements and ultimate uptime increases aren't just nice-to-haves – they're the difference between struggling with rotations and having smooth, consistent debuff application. For players planning to secure Yaoguang's E1, buy HSR top up for leaked character E1 pulls through BitTopup's platform offers competitive rates with instant delivery.

What E1 Actually Does (And Why It Matters)

E1 fundamentally changes how Yaoguai handles energy economy. You're looking at reduced ultimate requirements while gaining skill point efficiency – that's the sweet spot for F2P builds.

Yaoguang E1 eidolon interface showing energy regeneration improvements in Honkai Star Rail

In practice, this means consistent ultimate rotations without needing those premium light cones or god-tier relic substats that most of us can't afford anyway. What works best is understanding that you'll see 20-30% more ultimate casts per encounter compared to E0. That's not just a numbers game – it's directly improving your team performance whether you're running Harmony Sparkle or Abundance support compositions.

The Investment Math That Actually Makes Sense

Look, 160 additional pulls isn't pocket change for F2P players. But Yaoguai's E1 represents one of the most cost-effective eidolon investments in the current meta.

The performance gain justifies those pulls, especially when you compare it to other 5-star characters with marginal E1 effects (looking at you, certain recent releases). This investment becomes particularly valuable for upcoming 4.0 content where sustained damage and debuff application will be crucial – and that's not speculation, that's based on leaked challenge mechanics.

Pre-Release Farming: Your Action Plan

Weekly Jade Generation Strategy

F2P success isn't about luck – it's about consistency. You need to secure 2400+ stellar jades weekly through endgame modes:

  • Forgotten Hall: 800 jades
  • Pure Fiction: 800 jades
  • Apocalyptic Shadow: 800 jades
  • Events and tutorials: 720+ additional jades

Combined with skipping 3.9 banners post-Amphoreus (yes, it's painful, but necessary), this ensures your 160 pulls for that guaranteed 50/50 acquisition during Phase 1.

Material Stockpiling That Actually Works

Pre-farm the universals: 2-3 million credits for immediate leveling, 50+ purple EXP books for rapid development. Trace materials should follow historical Nihility patterns, though we're still waiting on final confirmation.

Weekly boss drops and talent books get priority – you don't want to be farming these when you could be testing builds.

Best F2P Relic Sets: What Actually Works

Primary Set Strategy

Tengoku 2-piece is your bread and butter here. That +16-32% CRIT DMG bonus synergizes perfectly with E1's energy improvements for frequent ultimate casts.

Tengoku relic set pieces displaying CRIT DMG bonuses for Yaoguang build in Honkai Star Rail

For the remaining 2-piece slots? Mix with energy regeneration or universal damage sets based on what quality pieces you actually have. Don't force complete 4-piece acquisitions if your substats are terrible – quality over set completion every time.

Planar Ornament Optimization

Prioritize energy regeneration rate bonuses that complement E1 improvements. This creates synergistic ultimate uptime maximization (fancy way of saying your ultimates come back faster).

Alternative CRIT Rate or ATK% sets provide viable options when you're lacking optimal energy pieces. Focus on balanced stats over perfect set bonuses – experienced players know that a well-balanced build outperforms a perfectly matched but poorly statted one.

Relic Stats: The Numbers That Matter

Critical Main Stats You Can't Ignore

  • Body: CRIT Rate or CRIT DMG based on your current balance (CRIT Rate gets priority if you're working with limited substat investment)
  • Feet: Speed for turn order and energy generation
  • Sphere: Elemental damage type matching her kit
  • Rope: Energy Regeneration Rate to maximize ultimate frequency – this supports those E1 improvements beautifully

Speed Breakpoints Worth Hitting

Target 134+ speed baseline, with 160+ being optimal for challenging content. Speed tuning becomes critical when you're running Harmony Sparkle supports where turn order affects buff timing and energy generation.

Adjust these targets based on your team composition – there's no one-size-fits-all answer here.

4-Star Light Cone Strategy

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Top Performers in the 4-Star Category

The highest-performing 4-star options focus on energy regeneration rate bonuses. These synergize with E1 for compounding ultimate frequency benefits – it's like getting bonus value from your eidolon investment.

4-star light cone options with energy regeneration bonuses for F2P Yaoguang builds in Honkai Star Rail

Alternative CRIT Rate or damage options provide solid performance if you need immediate damage output priority. Your choice depends on team composition and how your relics are distributed.

Superimposition: Where to Spend Your Resources

Prioritize maximum refinement of your chosen 4-star weapon before considering alternatives. Superimposition improvements often exceed the benefits of switching weapons entirely.

Only invest enhancement materials after securing adequate relic quality and trace levels – balanced progression beats rushing one aspect.

Trace Leveling: Priority Order That Works

The Essential Sequence

Ultimate traces get highest priority due to direct impact on damage and debuff mechanics, amplified by E1's effectiveness. Skill traces follow for consistent damage during ultimate downtime.

Develop talent traces enhancing energy generation after your core abilities reach levels 6-8. Don't rush to max everything immediately.

Resource Efficiency Approach

Bring all essential traces to 6-8 before maximum investment in single abilities. Those minor traces providing energy regeneration, speed, or damage offer excellent value early in development for solid performance foundations.

F2P Team Compositions That Actually Work

Core Framework Strategy

Position Yaoguang as your primary anchor with Harmony Sparkle or Abundance supports for essential buffs and sustainability. This leverages her superior shared DPS and sustain while maintaining team effectiveness.

F2P team composition featuring Yaoguang with Harmony and Abundance supports in Honkai Star Rail

Alternative compositions with free starter characters like Trailblazer provide viable options for limited rosters – don't feel like you need premium everything to make her work.

Support Integration Philosophy

Prioritize accessible characters from story progression or standard banner over premium options. Focus on characters that enhance Yaoguang's debuff application and energy generation strengths rather than trying to cover weaknesses through complex compositions.

Combat Gameplay: Making It Work

Rotation Framework

Basic patterns emphasize consistent debuff application while building toward ultimates. E1's improved energy generation allows aggressive skill usage without compromising ultimate frequency – that's the beauty of this eidolon.

Advanced rotations incorporate team abilities to maximize buff windows and energy generation, but start with the basics first.

Energy Management Made Simple

E1 makes energy management significantly more forgiving. You can focus on damage optimization instead of strict conservation.

Understanding energy breakpoints and generation sources enables adaptation to different enemy types and combat scenarios – valuable for endgame variety where flexibility matters.

Version 4.0 Challenge Preparation

New Content Readiness

Leaked 4.0 challenges emphasize sustained damage and debuff management – exactly where Yaoguang excels. Her Nihility strengths align with anticipated Edo Star mechanics, making this a future-proof investment.

Edo Star Elation teams specifically favor Yaoguang over alternatives, suggesting an expanded role beyond traditional Nihility applications.

Meta Adaptation Strategy

Build flexibility becomes crucial for 4.0 adaptation without complete reconstruction. E1 improvements provide a performance foundation for adjusting to new requirements through relic and team modifications.

Maintain diverse options while avoiding overspecialization – the meta will shift, but solid fundamentals remain valuable.

Endgame Performance Reality Check

Memory of Chaos Results

F2P Yaoguang builds achieve competitive clear times through proper optimization. E1's energy improvements translate to consistent performance across different floor mechanics and enemy compositions.

Memory of Chaos clear results demonstrating F2P Yaoguang E1 build effectiveness in Honkai Star Rail

Clear analysis shows competitive results that validate the investment for endgame progression – not just theory, but practical results.

Alternative Mode Performance

Pure Fiction showcases her AoE potential while Apocalyptic Shadow tests sustained single-target performance. E1 benefits both through enhanced ultimate frequency.

F2P builds achieve full star clears with proper team composition and execution – no premium gear required.

Common Build Mistakes (And How to Avoid Them)

Stat Balance Errors

Don't overemphasize single stats like CRIT DMG while neglecting CRIT Rate, energy regeneration, or speed requirements. E1 allows aggressive damage allocation, but you still need to maintain minimum thresholds.

Understanding breakpoints and diminishing returns prevents wasted investment.

Team Composition Misconceptions

Don't force Yaoguang into compositions designed for other character types. Focus on accessible teams that enhance her natural strengths rather than replicating premium setups with budget alternatives that lack proper synergy.

FAQ

Is Yaoguang E1 worth it for F2P players? Absolutely. E1 provides exceptional value through improved energy regeneration and ultimate uptime. The performance gain justifies the 160-pull investment, especially for 4.0 content effectiveness and superior Edo Star Elation team performance.

What are the best F2P relics for Yaoguang? Tengoku 2-piece (+16-32% CRIT DMG) combined with energy regeneration 2-piece sets. Main stats: CRIT Rate/DMG body, Speed feet, elemental damage sphere, Energy Regeneration Rate rope.

Which 4-star light cone works best? Energy regeneration rate weapons provide optimal E1 synergy. CRIT Rate or damage alternatives offer solid performance. Prioritize maximum superimposition before considering weapon changes.

How much pre-farming is needed? 160 pulls through weekly endgame farming (2400+ jades from three modes). Stockpile 2-3 million credits, 50+ purple EXP books, universal trace materials. Skip 3.9 banners post-Amphoreus.

Best F2P team compositions? Yaoguang anchor with Harmony Sparkle or Abundance supports leveraging superior shared DPS. Alternative starter character teams with Trailblazer provide viable options for limited rosters.

How does E1 compare to E0? E1 provides 20-30% more ultimate casts through improved energy economy, enhancing damage and debuff consistency while making rotations more forgiving for aggressive damage stat allocation.

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