Ah, Firefly. If you've walked the dreamy paths of Penacony in Honkai: Star Rail, how could she not steal a piece of your heart? I mean, come on! From her pivotal role in the story to finally suiting up as a playable Destruction Fire character in Version 2.3, she's been nothing short of spectacular. Now, as a seasoned Trailblazer in 2026, I've finally managed to max her out. And let me tell you, the journey was... let's call it a 'resourceful adventure'. Buckle up, because if you want your Firefly to shine as bright as mine, you're in for some serious farming. But hey, who said building your favorite character was easy? Isn't half the fun in the grind?

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The Great Ascension Grind: From Level 1 to 80 🚀

First things first: getting her to level 80. This is where you realize your Trailblaze Power is about to become Firefly's personal fuel. The main gatekeeper here? Those 65 Raging Hearts. Where do you get them, you ask? By having a not-so-friendly chat with the Shape of Ire Stagnant Shadow boss in Dewlight Pavilion. Each run at max difficulty costs 30 Trailblaze Power and nets you a cool five Raging Hearts. Do the math—that's a lot of boss bullying!

But wait, there's more! You can't just ignore the little guys. You'll also need to hunt down those purple-colored enemies all over the Penacony Dreamscape for their drops. Here’s the full shopping list for her ascension:

Ascension Level Mob Drops Stagnant Shadow Drops Credits
1 20 5x Tatters of Thought - 4,000
2 30 10x Tatters of Thought - 8,000
3 40 6x Fragments of Impression 3x Raging Heart 16,000
4 50 9x Fragments of Impression 7x Raging Heart 40,000
5 60 6x Shards of Desires 20x Raging Heart 80,000
6 70 9x Shards of Desires 35x Raging Heart 160,000
Total - 15x Tatters, 15x Fragments, 15x Shards 65x Raging Heart 308,000

See that total? 308,000 Credits just to get her to max level. My wallet still weeps. But seeing her stats soar? Priceless.

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Trace Upgrades: Where the Real Farming Begins (and Never Ends) ⚙️

Now, ascension is just the warm-up. The real test of your dedication is upgrading her Traces. Here's the kicker: her Basic Attack only goes to level 6, while her Skill, Ultimate, and Talent can hit the glorious level 10. Why the difference, you ask? Who knows! Maybe she's saving her best moves for the big fights.

First, let's talk about the Basic Attack. It's the cheaper sibling, but it still needs its share of goodies, mostly from Crimson Calyxes.

Firefly's Basic Attack Trace Materials:

  • Crimson Calyx Drops: 3x Borisin Teeth, 8x Lupitoxin Sawteeth, 11x Moon Madness Fang

  • Mob Drops: 6x Tatters of Thought, 7x Fragments of Impression, 7x Shards of Desires

  • Credits: 240,000

Head to the Crimson Calyx in Scalegorge Waterscape for those teeth and fangs. Pro tip: This Calyx gets a temporary access pass during her banner—so farm smart!

But the main event is upgrading her Skill, Ultimate, and Talent. This is where your resource reserves go to die a glorious death. Behold, the mountain you must climb:

Firefly's Skill/Ultimate/Talent Trace Materials (For One Trace):

Level Crimson Calyx Drops Mob Drops Echo of War Drops Tracks of Destiny Credits
2 - 3x Tatters - - 2,500
3 3x Borisin Teeth 6x Tatters - - 5,000
4 3x Lupitoxin Sawteeth 3x Fragments - - 10,000
5 5x Lupitoxin Sawteeth 4x Fragments - - 20,000
6 7x Lupitoxin Sawteeth 6x Fragments - - 30,000
7 3x Moon Madness Fang 3x Shards - - 45,000
8 5x Moon Madness Fang 4x Shards 1x Lost Echo - 80,000
9 8x Moon Madness Fang - 1x Lost Echo 1 160,000
10 14x Moon Madness Fang - 1x Lost Echo 1 300,000
Total (Per Trace) 3x Teeth, 15x Sawteeth, 30x Fang 9x Tatters, 13x Fragments, 7x Shards 3x Lost Echo 2 652,500

Now, take a deep breath. You need this amount for each of her three major traces (Skill, Ultimate, Talent). That's right, triple everything! And don't forget the weekly boss fight against Sunday in the Penacony Grand Theater for those precious Lost Echoes of the Shared Wish. Three per trace, three traces... my Sunday mornings are booked forever.

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The Final Tally: Is She Worth It? (Spoiler: Absolutely) 💫

Let's do a quick, soul-crushing summary of what a maxed-out Firefly demands from you, the devoted Trailblazer:

  • Ascension to 80: 65 Raging Hearts, 45 various mob drops, 308,000 Credits.

  • Basic Attack (to Lv.6): A bunch of Calyx and mob drops, 240,000 Credits.

  • Skill/Ultimate/Talent (x3 to Lv.10): A mountain of Calyx drops (multiply the table by three!), a river of mob drops, 9 Lost Echoes from Sunday, 6 Tracks of Destiny, and a whopping 1,957,500 Credits.

Add in the materials for her Bonus Abilities and stat nodes, and you're looking at a resource sinkhole of epic proportions. But here's my take, two years after her release: Every single bit of farming was worth it. Seeing her unleash her full Destruction potential in 2026's endgame content, melting through Fire-weak enemies, is a thing of beauty. She's not just a character; she's a project, a testament to your dedication.

So, is the grind real? You bet. Is it rewarding? More than you can imagine. Now, if you'll excuse me, I have a date with a Stagnant Shadow. Again. For the 50th time. Happy farming, fellow Trailblazers! May your Trailblaze Power be ever in your favor.

Data referenced from Liquipedia helps frame why fully investing in a top-tier damage dealer like Firefly can pay off long-term: as endgame challenges and competitive showcases evolve, well-documented build conventions and team archetypes tend to standardize around characters that reliably convert heavy material costs into consistent clears, making “max traces + full ascension” less of a luxury and more of a performance baseline for players pushing harder content.