7 Critical Secrets To Dominating The Honkai: Star Rail 'Echo Of War: Glance Of Twilight' Challenge

The "Echo of War: Glance of Twilight" stands as a recurring, high-stakes weekly challenge within the massively popular turn-based RPG, Honkai: Star Rail. As of the current date, December 19, 2025, this particular instance remains a crucial source for valuable endgame materials, specifically the unique Trace Materials required to unlock and upgrade the strongest abilities of your most powerful characters. First introduced in Version 3.3, "The Fall at Dawn's Rise," this Echo of War presents a brutal confrontation with one of the most visually stunning and strategically demanding bosses in the game's expansive universe: the Sublime, Radiant, Avatar of the Sky. Mastering this fight is non-negotiable for serious Trailblazers aiming to maximize their roster's potential.

This in-depth guide is designed to provide you with the most current, actionable strategies and team compositions to consistently clear the "Glance of Twilight" challenge. We will dissect the boss's mechanics, exploit its elemental weaknesses, and detail the exact rewards you need to farm, ensuring you can efficiently secure your weekly quota of essential resources.

The Sublime, Radiant, Avatar of the Sky: Boss Profile & Essential Loot

The "Echo of War: Glance of Twilight" is situated in the Fortress of Dome - Eye of Twilight area, a location tied to a key point in the game's main story. The primary target is the formidable Sublime, Radiant, Avatar of the Sky, a celestial entity that tests both your team's damage output and your ability to manage complex battlefield mechanics. Understanding its profile is the first step toward victory.

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Key Boss Information & Weaknesses (Entities)

• Boss Name: Sublime, Radiant, Avatar of the Sky (also known as the Sky Titan or Aquila).
• Location: Fortress of Dome - Eye of Twilight (Amphoreus).
• Primary Weaknesses: The boss is uniquely vulnerable to Physical, Ice, and Quantum damage types.
• Summon Weaknesses: The accompanying Daythunder Raven summons are typically weak to Physical, Wind, and Imaginary damage.
• Path: This boss typically embodies the Path of Destruction or the higher-level threat of an Aeon's influence.

Crucial Rewards: The Trace Material You Need

The main incentive for farming "Glance of Twilight" weekly is the specific Trace Material it drops. This material is required for unlocking the advanced Traces (Bonus Abilities) of several high-tier characters, significantly boosting their combat effectiveness.

• Unique Trace Material: Day Thunder Anamnesis (Required for many characters on the Path of The Hunt, Destruction, and others).
• General Rewards: You also receive Lucent Afterglow (a currency used to purchase 5-star Light Cones), a selection of Relics (commonly the Musketeer of Wild Wheat and Thief of Shooting Meteor sets), and various 4-star Light Cones and credits.

5 Essential Strategies to Conquer Glance of Twilight

The fight against the Avatar of the Sky is a multi-phase battle that hinges on a specific mechanic: managing the Thunderclouds. Ignoring this mechanic will lead to massive, unavoidable damage that can wipe out even the most well-built teams. Follow these five strategies for a guaranteed clear.

1. Prioritize Weakness Exploitation

Given the boss's weaknesses to Physical, Ice, and Quantum, your team composition should heavily feature damage dealers or breakers from these elements. Characters like the Physical Trailblazer (Path of Destruction), Qingque (Path of Erudition), or March 7th (Path of Preservation) are excellent budget options to consistently chip away at the boss's Toughness bar and trigger the crucial Weakness Break status.

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2. The Thundercloud Mechanic is Key

During the battle, the Avatar of the Sky will summon Thunderclouds and charge up a devastating attack. The core strategy is to attack and destroy all the Thunderclouds before the boss's turn. Successfully destroying all the Thunderclouds will not only prevent the massive attack but will also immediately trigger a Weakness Break on the boss itself, opening it up for significant burst damage. If you fail, the boss will unleash its ultimate ability, often resulting in a party wipe.

3. Manage Summons (Daythunder Raven)

The boss will frequently summon the Daythunder Raven enemies. While the Thunderclouds are the priority, these summons can quickly overwhelm your team with continuous damage. Use characters with AoE (Area of Effect) damage, such as a well-built Qingque or a strong Erudition character, to clear the summons while simultaneously damaging the boss. A balanced approach to clearing both the Daythunder Raven and the Thunderclouds is essential for survivability.

4. Bring a Dedicated Survival Unit (Healer or Shielder)

Even with perfect mechanics, the Avatar of the Sky deals substantial damage. A dedicated survival unit is non-negotiable. Characters following the Path of Abundance (Healers) or the Path of Preservation (Shielders) are mandatory. Natasha (Abundance) and March 7th (Preservation) are the most accessible F2P options and should be fully leveled and Traced to ensure your team can withstand the incoming AoE and single-target attacks.

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5. Use Ultimates Strategically for Break and Damage

Save your strongest Ultimates, especially those with high Toughness damage (Physical Trailblazer's Ultimate) or high burst damage, for when the boss is Weakness Broken. Since you can force a Weakness Break by destroying all the Thunderclouds, this provides a predictable window to unleash your maximum damage output. Time your Harmony or Nihility buffs (from characters like Asta or Pela) to align with this break window for optimal results.

Best F2P & Budget-Friendly Teams (Entities) for the Challenge

You absolutely do not need 5-star characters to clear "Glance of Twilight" on the highest difficulty. By leveraging accessible F2P and 4-star units, you can create powerful teams that exploit the boss's elemental weaknesses. Here are three highly effective, budget-friendly team compositions:

Team 1: Quantum Break Focus (High Burst)

• Main DPS (Quantum): Qingque (Path of Erudition). Her high-damage, burst-focused Ultimate is perfect for the Weakness Break window.
• Sub-DPS/Breaker (Ice): March 7th (Path of Preservation). Provides crucial shielding and can trigger Ice Weakness Break with her Ultimate.
• Support (Harmony/Fire): Asta (Path of Harmony). Her Speed and ATK buffs are universally valuable, and her Fire damage can help against the Daythunder Raven summons.
• Healer (Abundance): Natasha (Path of Abundance). Essential for reliable healing and cleanse utility.

Team 2: Physical/Ice Control (Consistent Damage)

• Main DPS/Breaker (Physical): Trailblazer (Physical) (Path of Destruction). Excellent Toughness damage and AoE clearing for the Thunderclouds.
• Sub-DPS/Utility (Ice): Pela (Path of Nihility). Her Ultimate shreds enemy DEF, dramatically increasing your team's damage output, and her Ice element contributes to Weakness Break.
• Shielder (Preservation): Gepard (If owned, otherwise use March 7th). Provides massive shields to negate the boss's heavy attacks.
• Healer (Abundance): Lynx (If owned, otherwise use Natasha). A strong 4-star healer with a useful cleanse.

Team 3: The Hunt/Nihility Strategy (Single-Target Focus)

For players who prefer single-target damage, this team focuses on controlling the boss and quickly removing the Thunderclouds.

• Main DPS (The Hunt): Dan Heng (Path of The Hunt). High single-target damage to quickly focus down the boss during the break window.
• Debuffer (Nihility): Sampo (Path of Nihility). While his Wind element isn't a primary weakness, his DoT (Damage over Time) and Toughness damage are excellent, especially against the summons.
• Support (Harmony): Tingyun (Path of Harmony). Provides energy and ATK buffs to the main DPS, enabling more frequent Ultimates.
• Survival: Natasha or March 7th.

The "Echo of War: Glance of Twilight" is more than just a boss fight; it is a weekly test of your roster's elemental coverage and strategic execution. By focusing on the Physical, Ice, and Quantum weaknesses, prioritizing the destruction of the Thunderclouds to force a Weakness Break, and utilizing a reliable healer like Natasha, you will consistently defeat the Sublime, Radiant, Avatar of the Sky and secure the vital Day Thunder Anamnesis materials needed to propel your Trailblazing journey forward.

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