Among the many missions in Honkai Star Rail, In the Sweltering Morning Sun is the third installment of the Trailblaze Mission set. To gain access to this quest, you must be level 24 and have completed the Not Good With Farewells mission of the In The Withering Wintry Night series.
This Honkai Star Rail mission series wraps up the ice planet’s storyline. It is also important to note that the achievement Rail Unto the Stars should be completed in this series. The following guide details the mission rewards and offers valuable tips for key battles as you navigate your way to Stellaron.
Honkai Star Rail guide: How to complete In the Sweltering Morning Sun mission series
The series of missions is divided into nine subquests that offer different rewards upon completion.
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Cleanse the Darkness Outside
In the mission series’ short intro, you are tasked with returning to the surface and seeking the assistance of the Landau Siblings to bring down Cocolia. You will be accompanied by Sampo and Seele.
Rewards: x300 Trailblaze EXP, x3 Condensed Aether, x8000 Credits
Unattainable Idol
You need to join forces with Serval and undertake a daring infiltration into the Silvermane Guard Restricted Zone with the objective of rescuing Bronya. Here, you will have to battle Captain Dunn and his companions.
Take note that the captain exhibits vulnerability to Physical, Ice, and Quantum damage, whereas his two soldier companions are susceptible to Wind and Quantum attacks.
Rewards: x1000 Trailblaze EXP, x80 Stellar Jade, x3 Traveler’s Guide, x3 Refined Aether
Young Guard
Once Officer Dunn has been eliminated, proceed deeper into the Restricted Zone to persuade Gepard to join your mission. In doing so, you will encounter an Automaton Grizzly which summons robots as companions. This monster is weak to Fire, Ice, and Lightning so make sure to form your team accordingly.
You will also have to fight Gepard to convince him to join your side. Recall that he is vulnerable to Physical, Lightning, and Imaginary damage and immune to Ice damage. Similar to previous encounters, he will be accompanied by two soldiers who are susceptible to Wind and Quantum attacks.
Rewards: x1000 Trailblaze EXP, x80 Stellar Jade, x3 Traveler’s Guide, x3 Refined Aether
Soldiers Stay Silent
Upon his defeat, Gepard agrees to join your cause. Both he and the Silvermane Guards will accompany youand provide escort to Everwinter Hill.
Prepare yourself for a consecutive three-part battle against the Fragmentum monsters. The majority of the enemies consist of typical Ice and Fire creatures that you are already familiar with from Jarilo-VI. However, pay special attention to the Imaginary Weaver, as it inflicts potent Imaginary AoE (Area of Effect) damage and is susceptible to Physical, Lightning, and Quantum assaults.
Rewards: None
The Stars Are Cold Toys
The Corridor of Fading Echoes has been seized by the Fragmentum. You need to investigate the area to uncover clues regarding the transformation of Cocolia. To unlock the gate in the maze, you must interact with all four designated hub mechanisms, conveniently marked for you.
If you're up for a challenge and desire additional treasure, there are a few Level 42 Formidable Foes off the main path. Otherwise, stick to the markers, interact with the hubs, and proceed accordingly.
You will soon need to solve a simple puzzle to cross a bridge. Once you get to the other side, locate the last hub mechanism to unlock the main gate, then utilize the shortcut to return to the starting point of the area.
On the other side of the gate, a Level 36 creature known as Guardian Shadow awaits you. It exhibits vulnerability to Physical, Wind, and Quantum abilities. By freezing the Guardian Shadow, you can completely avoid ban damage.
Once you have defeated the Guardian Shadow, you will encounter another broken robot that you can repair and follow before rejoining the main path. You will then be stopped by Cocolia's Echo, initiating an unexpected battle. Cocolia's Echo is at Level 36 and displays vulnerability to Fire, Lightning, and Quantum attacks.
She is an Ice-based monster capable of summoning two icicles. One of the icicles is susceptible to Fire and Lightning damage, while the other icicle is vulnerable to Fire and Quantum attacks.
Rewards: x1000 Trailblaze EXP, x80 Stellar Jade, x3 Traveler’s Guide, x3 Refined Aether
Roads to the Past Have Long Been Closed
Upon reaching Everwinter Hill, prepare to confront Cocolia to rescue Bronya and prevent her from establishing a New Order with the utilization of the Stellaron.
In this mission, you will encounter a three-part fight. It is important to form a team that is effective against these enemies:
- Frostspawn and Shadewalkers
- Decaying Shadows + Imaginary weavers- focus on dealing Physical, Lightning, Quantum damage for Imaginary Weavers; use Fire, Lightning, Wind for Decaying Shadow
You will encounter Cocolia on the third wave, but you will be interrupted by a cutscene. At this point, the Path of Preservation is unlocked, and you gain access to Fire-based abilities. Use this against Cocolia as you defeat her in a boss battle. To navigate this battle successfully, employ the strategy of taunting with Trailblazer whenever Cocolia targets another character.
Capitalize on this opportunity by using Fire, Lightning, and Quantum abilities to weaken her Toughness and ultimately defeat her.
Rewards: x1200 Trailblaze EXP, x80 Stellar Jade, x5 Traveler’s Guide, x4 Refined Aether, x2 Enigmatic Ectostella, x1 “Everwinter”, x1 “Fate”
In the Dangerous Muddy Swamp
With Cocolia's defeat, the path to the surface is once again accessible from the Underworld. You make the decision to share the good news with the inhabitants of the Underworld.
You will need to talk to either Hook or Moles, who are in the middle of a hide-and-seek game. Luckily, you only need to find Hook, as she will gather the other children for you. Look for Hook hiding in the corner on the right side of the stairs.
Then, you will have to meet Clara and Svarog in the Robot Settlement. Svarog will announce the successful accomplishment of the mission to safeguard the Underworld.
Rewards: x150 Trailblaze EXP, x4 Adventure Log, x1 “Streets Abuzz”, x8,000 Credits
No Time For Me, My Friend
Proceed to the Everwinter Monument to participate in Bronya's guardian inauguration. After her speech concludes, you will get the opportunity to have a final conversation with her before bidding farewell.
Rewards: x400 Trailblaze EXP, x3 Refined Aether, x1 Herta’s Space Station, x1 Herta’s Wandering Trek, x10000 Credits
Silent Galaxy
In the final mission of this series, you need to bid farewell to the friends you forged connections with within Jarilo-VI. You can then head back to the Astral Express to seek insight from Himeko and Welt regarding the destiny of Jarilo-VI.
Rewards: x150 Trailblaze EXP, x4 Adventure Log, x1 “A Trap With No Return,” x1 “Wildfire,” x8,000 Credits
That concludes the In the Sweltering Morning Sun mission in Honkai Star Rail. You can take on the next part of the Trailblaze Missions called Windswept Wanderlust, but you have to reach Level 29 first.
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