Honkai: Star Rail Underground Treasure Hunt Event Guide

Dive into the ancient ruins below Belobog and embark on a treasure hunt that promises relics and rare treasures.

The Honkai: Star Rail Underground Treasure Hunt Event is calling all explorers for an adventure filled with strategy, rewards, and excitement.

Let's dive into how to complete this new event!

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Honkai: Star Rail Underground Treasure Hunt Event Guide

Event Release Date and Duration

The Underground Treasure Hunt remains open for two and a half weeks. New challenges will await you every day for the first five days.

• Start: August 9, 12:00 server time
• End: August 28, 03:59 server time

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Event Rewards

The event rewards are mostly the same across different Ancient Ruins, with special attention to Obsidian of Desolation and Obsidian of Obsession (Nihility mats).

Here's a quick overview:

Surface Exploration Rewards

• Level 4: Stellar Jade x80, Obsidian of Desolation x6, Obsidian of Obsession x2 (or a chat sticker and Tracks of Destiny piece for Ancient Ruin 5)
• Level 8: Stellar Jade x80, Obsidian of Desolation x6, Obsidian of Obsession x2

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Deep Exploration Rewards

• Level 2: Stellar Jade x40, Obsidian of Desolation x3, Traveler's Guide x8
• Level 4: Relic Remains x30, Traveler's Guide x4, Credits x60,000
• Level 6: Relic Remains x10, Credits x60,000

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Special Rewards

Clear all Ancient Ruins' second floor in Deep Exploration mode to obtain Self-Modeling Resin, a rare crafting material to create a custom piece of relic.

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Starting the Underground Treasure Hunt Event

Participate by completing the main quest, In the Sweltering Morning Sun - Silent Galaxy on Jarilo-VI.

Your journey begins in Boulder Town, Jarilo-VI with dialogues leading to the Ancient Ruins.

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Event Details and How to Explore

The Underground Treasure Hunt event is structured into five stages, each featuring Ancient Ruins with Surface and Deep Exploration difficulties.

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The Exploration Process

• Tiles: Click on tiles to reveal enemies, keys, buffs, etc. Each Ancient Ruin consists of 8 floors (8 tile maps).
• Bonuses: Bonuses gained in Surface Exploration carry over to Deep Exploration.

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Exploring the Ancient Ruins

You can find several stuff in Ancient Ruins tiles, including:

• The Door Card: Progresses to the next floor.
• Enemies: Blocks surrounding tiles and offers random buffs upon defeat.
• Inherited Ruin Stats: Boosts team attack or defense.
• Recovery: Restores stamina or HP.
• Playable Characters: Adds new characters to the team.
• Ancient Relic: Provides combat buff.
• Stamina: Exploring costs stamina; running out will deplete the team's HP. On the Surface, progressing to a new floor will make you recover Stamina.

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Tips for Exploring

• Stamina Management: Move to the next floor if low on stamina.
• HP Recovery Timing: Use when needed.
• Treasure Pickup: Wait until after fights.
• Deep Exploration: Re-run Surface Exploration for more bonuses if needed.

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The Ancient Ruins: A Detailed Guide

Each Ancient Ruin has unique challenges and requirements. Below are key details for each:

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Ancient Ruin 1

Overview

• Inherited Ruin Stats: Gain Damage Boost, Damage Reduction, and Damage Over Time (DoT) Boost.
• Opponents: Face off against mechanical beasts like Automaton Grizzly and Direwolf.
• Trial Characters: Kafka and Luka.
• Recommended Elements: Go Ice and Lightning for an edge.

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Strategy

Leverage the DoT boost by using characters capable of inflicting status effects like Bleed and Shock.

Keep in mind that enemy tiles may block access to neighboring tiles, so plan your exploration accordingly.

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Ancient Ruin 2

Overview

• Inherited Ruin Stats: Enjoy boosts to Damage, Defense, and Break Effects.
• Opponents: Engage with enemies like Ice Out of Space and Blaze Out of Space.
• Trial Characters: Silver Wolf and Sushang.
• Recommended Elements: Quantum, Ice, Physical, Fire, and Wind.

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Strategy

Focus on characters capable of depleting Toughness and causing Weakness Break.

Match your Elements with the opponent's Weakness to maximize damage.

Beware of enemy tiles that reduce stamina; defeat them quickly!

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Ancient Ruin 3

Overview

• Inherited Ruin Stats: Enhance Damage, Defense, and Follow-Up Attack capabilities.
• Opponents: Battle Frigid Prowler and Searing Prowler.
• Trial Characters: Jing Yuan and Tingyun.
• Recommended Elements: Lightning, Quantum, Ice, Fire, and Imaginary.

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Strategy

Use characters with strong follow-up attacks, like Jing Yuan, Himeko, and Herta.

Beware of enemies that strengthen themselves based on unexplored tiles.

Explore thoroughly before engaging them!

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Ancient Ruin 4

Overview

• Inherited Ruin Stats: Boost Damage, Defense, and Basic Attack Damage.
• Opponents: Confront Guardian Shadow and Decaying Shadow.
• Trial Characters: Blade and Luocha.
• Recommended Elements: Wind, Quantum, Physical, Fire, Lightning.

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Strategy

Use characters with powerful Basic Attacks, such as DPS characters Blade and Luka. Note that Blade's attack scales with his HP.

Engage Trotters quickly to gain Ancient Relics, as they disappear after a set number of turns.

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Ancient Ruin 5

Overview

• Inherited Ruin Stats: Enhance Damage, Defense, and DoT.
• Opponents: Face the Monitoring Automaton Prototype 2.
• Trial Characters: Kafka and Asta.
• Recommended Elements: Wind, Fire, Lightning.

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Strategy

Similar to Ancient Ruin 1, use characters that inflict DoT effects like Kafka, Sampo, Serval, and Luka.

This final stage brings together all special features from previous stages, including Trotters.

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Conclusion

The Ancient Ruins in the Honkai: Star Rail Underground Treasure Hunt Event each offer unique challenges and rewards.

Understanding the nuances of each stage, from the inherited stats to the specific enemies and optimal strategies, will ensure your success.

Hope this in-depth guide makes exploring these ruins a bit easier!