Specifically in Honkai Star Rail, there is Firefly, a crazy strong 5-star Cyber Fairy archetype character belonging to the Path of Destruction with the element of Fire.
To do this, players have to acquire certain Honkai Firefly materials that will help them gain the most out of their characters.
This place is described with many manuals, which contain data about materials necessary for it, their approximate location, and optimal ways of farming in it.
Exploring the Gospel of Ascension Materials in Firefly

To fully ascend Firefly to level 80, players need to collect the following materials:
Raging Heart: 65 pieces
Travel Encounters: 16 pieces
Adventure Log: 9 pieces
Traveler’s Guide: 287 pieces
Tatters of Thought: 56 pieces
Fragments of Impression: 71 pieces
Shards of Desires: 73 pieces
Borisin Teeth: 18 pieces
Lupitoxin Sawteeth: 69 pieces
Moon Madness Fang: 139 pieces
Lost Echo of the Shard Wish: 12 pieces
Tracks of Destiny: 8 pieces
Ascension Material farming zones and routes

Each ascension material can be obtained from specific in-game activities and locations:
Raging Heart
The dwelling of Shape of Ire is in the Dewlight Pavilion.
Travel Encounters, Adventure Log, and Traveler’s Guide
These experience materials can be obtained from the Golden Calyx. Bud of Memories and collected during other activities in the game.
Tatters of Thought, Fragments of Impression, and Shards of Desires
Obtained from defeating the Memory Zone Meme enemies randomly located around the Penacony area.
Borisin Teeth, Lupitoxin Sawteeth, and Moon Madness Fang
The Scalegorge Waterscape: Bud of Destruction.
Lost Echo of the Shard Wish
Won from the minstrelty “Harmonious Choir” of The Great Septimus in The Salutations of Ashen Dreams Echo of War.
Tracks of Destiny
Through Nameless Honor, different events, Embers Exchange store, and the Simulated Universe.
Efficient Farming Strategies

To optimize the farming process for Firefly’s ascension materials, consider the following strategies:
Prioritize High-Drop Locations
Concentration should be put on certain locations that experience higher drop rates of the materials in question. For instance, the Stagnant Shadow Raging Heart in the Shape of Ire in Dewlight Pavilion is the initial version of the work for collecting honkai firefly materials efficiently.
Utilize In-Game Events
Engage in those activities that provide experience materials such as Travel Encounters and Adventure Logs in addition to farming.
Target Specific Enemies
Search for Memory Zone Meme enemies in Penacony, and pick up Tatters of Thought and its skins.
Plan Calyx Runs: Run the Crimson Calyx
Bud of Destruction in Scalegorge Waterscape to gather Borisin Teeth, Lupitoxin Sawteeth, and Moon Madness Fang for a set number of times.
Engage in Echo of War
You can daily use the challenge button on the Salutations of Ashen Dreams Echo of War to get the Lost Echo of the Shard Wish.