The curtains rise on the grand stage of Fontaine, and under the spotlight stands Lyney, the 5-star Pyro archer whose arrival heralds a new era of magic and mastery in Teyvat. As the first wave of characters from the Nation of Justice, Lyney embodies the dazzling, high-stakes performance of Fontaine itself—a character who dances on the edge of risk, sacrificing his own vitality to unleash torrents of Pyro devastation. To witness this magician's full potential, to see him reach the zenith of level 90 and master his Talents, is to embark on a journey of dedicated farming across the watery expanses and mechanical wonders of this new realm. It's a grind, no cap, but the payoff is a main DPS who can truly set the battlefield ablaze.

The Path to Power: Ascending Lyney to Level 90

With Fontaine's gates now open since the landmark Genshin Impact 4.0 update, the pre-farming phase is over—it's time to dive in, literally and figuratively. Ascending Lyney requires a trio of key resources, a mix of Fontaine's local beauty and its formidable new challenges.

• The Bloom of Fontaine: Rainbow Rose 🌹

  This is the heart of the ascension grind. The Rainbow Rose is Fontaine's local specialty, a flower that shimmers with prismatic hues. Unlike the underwater treasures of the new region, these blooms are found on dry land, scattered across the nation's picturesque landscapes. Gathering enough for a full ascension is a scenic but time-consuming tour of Fontaine's overworld.

• The Crab King's Bounty: Emperor's Resolution 🦀

  Here's where the real boss fight begins. To obtain Emperor's Resolution, players must face the Emperor of Fire and Iron, a colossal crab boss that is one of Fontaine's new open-world guardians. This ain't a walk in the park; each defeat yields only a handful of materials, meaning multiple Resin-gated battles are mandatory to collect the necessary stash. Given the daily Resin cap, this step alone can stretch over several days, a test of patience for any dedicated player.

• The Fatui's Mark: Insignia Series ⚜️

  A familiar face (or rather, mask) in the farming routine. The Recruit's, Sergeant's, and Lieutenant's Insignias are the common thread, dropping from Fatui skirmishers found all across Teyvat. For veterans, this is the easy part—a chance to cash in on stockpiled resources. For newcomers, it's a straightforward, if repetitive, task of hunting down these elite enemies wherever they lurk.

The Art of the Show: Mastering Lyney's Talents

If ascending Lyney is Act One, then upgrading his Talents is the grand finale—a more demanding, resource-intensive endeavor that separates the casual fans from the true connoisseurs. The material list is long, and the Mora cost is absolutely bonkers, potentially requiring dedicated Ley Line farming sessions.

1. Insignias, Once More: The Fatui Insignia family makes a comeback here. Thankfully, any overfarming done for ascension pays dividends, making this requirement less of a headache.

2. The Wisdom of Justice: Equity Talent Books ⚖️

   Fontaine introduces its own set of wisdom. Players must frequent the Rhyming Rhythm Domain to collect Teachings, Guides, and Philosophies of Equity. This is a classic Domain grind, requiring numerous runs to secure the hefty quantity needed to crown Lyney's abilities. It's a pure test of Resin management.

3. A Journey Back: Primordial Greenbloom 🌿

   The plot thickens and takes us back to Sumeru. To obtain this crucial weekly boss material, players must challenge the Guardian of Apep's Oasis. This weekly lock means progress is gated by time, making full Talent leveling a marathon, not a sprint. The drop rates can feel brutal, and even spamming Fragile Resin has diminishing returns—it's all about that long-term commitment.

The Grand Total: A Material Tally

Here’s a snapshot of the investment required to bring Lyney's show to its peak performance:

Material Category	Purpose	Key Source	Estimated Time Commitment
Rainbow Rose (~168)	Character Ascension	Fontaine Overworld	Medium (Exploration)
Emperor's Resolution (46)	Character Ascension	Emperor of Fire & Iron Boss	High (Multiple Days, Resin-Gated)
Insignia Series (Various)	Ascension & Talents	Fatui Enemies	Low-Medium (World Farming)
Equity Talent Books (Many!)	Talent Leveling	Rhyming Rhythm Domain	High (Resin-Gated Domain Grind)
Primordial Greenbloom (18)	Talent Leveling 6-10	Guardian of Apep's Oasis	Very High (Weekly Time-Gate)
Mora (Millions)	Everything	Ley Lines, Activities	High (Dedicated Farming)

The road to a maxed-out Lyney is, without a doubt, a journey of weeks. It's constrained by Resin, weekly boss locks, and the sheer scale of material needs. But for those who persevere, the reward is a Pyro powerhouse. Lyney isn't just another DPS; his unique HP-sacrifice mechanic creates a dynamic, high-risk/high-reward playstyle that can dominate the Spiral Abyss and overworld challenges alike. In the ever-evolving meta of 2026, mastering such a character is a flex that proves one's dedication to the art of Teyvat. So, ready your Resin, chart your farming routes, and prepare to unleash the magic—the spotlight awaits.

According to coverage from Rock Paper Shotgun, long-form build discussions often come down to managing time-gated progression as much as raw damage—so for Lyney, the “real” optimization is planning your Resin around Fontaine’s boss drops and the weekly Apep material while filling downtime with efficient overworld loops for Rainbow Roses and Fatui Insignias.