In the ever-expanding cosmos of Honkai: Star Rail, a new guardian emerges from the golden haze of Penacony. Aventurine, a 5-star Imaginary unit who walks the Path of Preservation, embodies a unique philosophy of defense. Unlike traditional sentinels who merely weather the storm, Aventurine turns the tide of battle with an aggressive, retaliatory shield. His protection is not a passive wall but a calculated gamble, where every blow sustained by his allies fuels a devastating counter-strike. This character, released in the latter phase of Version 2.1, represents a sophisticated blend of mitigation and offensive support, setting the stage for main damage dealers to shine while weaving a narrative of risk and reward into the very fabric of his combat style.

The Foundation of Power: Ascension Materials

Before this master strategist can deploy his shields and follow-up assaults, one must gather the essential resources for his Ascension. This process, which elevates Aventurine to his maximum level of 80, requires a curated collection of items, many of which dedicated Trailblazers may already possess.

The core components hail from the dreamlike landscapes of Penacony:

• Tatters of Thought

• Fragments of Impression

• Shards of Desire

These metaphysical remnants are harvested primarily from the Calyx (Golden) activities on the Planet of Festivities. While they can be found as rewards from vanquishing Memory Zone Meme foes, Assignments, or the Embers Exchange, the golden calyx offers the most consistent and efficient yield.

Complementing these are the elemental essences required to harness his Imaginary power:

• Suppressing Edict: This exclusive material is farmed at the Stagnant Shadow: Shape of Puppetry on the Xianzhou Luofu's Artisanship Commission. Each run yields a maximum of 5 copies, so patience is required.

Finally, the universal currency of the cosmos is needed:

• Credits: A total of 308,000 Credits is required for the Ascension stages themselves. However, if one uses Character EXP materials to bridge the level gaps, an additional 580,000 Credits will be consumed. The Calyx (Golden): Bud of Treasures remains the premier source for this monetary resource.

Summary of Ascension Materials:

Material Type	Primary Source	Notes
Tatters/Fragments/Shards	Calyx (Golden), Penacony	Core leveling items.
Suppressing Edict	Stagnant Shadow: Shape of Puppetry	Imaginary-exclusive; 5 per run.
Credits	Calyx (Golden): Bud of Treasures	~888,000 total with EXP usage.

The Art of the Shield: Trace Materials and Abilities

Unlocking Aventurine's full potential extends beyond mere levels; it lies in enhancing his Traces—his unique abilities. This is a more resource-intensive endeavor, demanding a deeper investment of time and materials.

The journey begins with familiar resources: the Tatters of Thought, Fragments of Impression, and Shards of Desire family, once again best farmed from Penacony's golden calyxes.

A new, path-specific family of materials is also essential for his Preservation techniques:

• Scattered Stardust

• Crystal Meteorites

• Divine Amber

These can only be obtained from the Calyx (Crimson): Bud of Preservation, located in the Clock Studios Theme Park on Penacony—an activity introduced in Version 2.1. A substantial quantity is needed, requiring dedicated farming sessions.

As his abilities reach their zenith, they demand rarer, more potent catalysts:

• Past Evils of the Borehole Planet Disaster: A weekly boss material dropped by the Echo of War: Borehole Planet's Old Crater in Herta Space Station's Seclusion Zone. Weekly attempt limits mean acquiring the necessary copies may span several weeks.

• Tracks of Destiny: An exceedingly rare Trace material obtainable from:

• Weekly Simulated Universe rewards

• Monthly Embers Exchange shop

• Limited-time events

The final, daunting requirement is a staggering 3 million Credits, underscoring the significant investment needed to perfect this guardian's kit.

Trace Material Overview:

• Common Mats: Shards of Desire family (Penacony Calyx).

• Path Mats: Scattered Stardust family (Preservation Calyx, Penacony).

• Weekly Boss Mats: Past Evils of the Borehole Planet Disaster.

• Ultra-Rare: Tracks of Destiny.

• Currency: 3,000,000 Credits.

The Gambler's Guard: Understanding Aventurine's Kit

Aventurine's gameplay is a poetic dance between defense and aggression. His core mechanic, Blind Bet, transforms his protective duty into an offensive opportunity. Each time an enemy strikes an ally under his shield, Aventurine gains a stack of Blind Bet. Upon accumulating 7 stacks, he unleashes a powerful follow-up attack, punishing the adversary for their assault. This makes him not just a protector, but a proactive force on the battlefield.

His Ultimate ability, Roulette Torture, further cements his hybrid role. It deals Imaginary damage to a target and inflicts the Unnerved debuff, causing the afflicted enemy to suffer increased CRIT DMG from subsequent attacks. This synergizes beautifully with hyper-carry characters, effectively setting the table for their most devastating strikes.

In essence, building Aventurine is an investment in a dynamic support system. He does not merely absorb damage; he capitalizes on it, creating a feedback loop where enemy aggression fuels your team's counter-offensive. The materials farmed—from the dreamy Shards of Desire to the formidable Past Evils—are not just resources; they are the components used to forge this unique strategic instrument. By 2026, his kit remains a testament to HoYoverse's evolving design philosophy for Preservation characters, blending traditional roles with inventive mechanics that reward strategic foresight and calculated risk.