Genshin Impact 2.7 leaks: Yelan's ascension materials, talent books, and more

Genshin Impact 2.7 beta has officially started, and Yelan has been introduced by Genshin Impact through drip marketing. Recently, leakers have revealed all the farming materials to max out Yelan’s ascension material, talent books, and more. Players who are saving Primogems for Yelan in the 2.7 update should start pre-farming all materials to have a better experience when she is out.

All these materials for Yelan’s ascension and talents can be farmed in the current version of Genshin Impact. Players must unlock the underground region of The Chasm to be able to farm the boss drop for Yelan’s ascension.

This article will cover Yelan’s ascension materials and talent books required to max out her stats.

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Genshin Impact 2.7 leaks reveal Yelan’s ascension materials and talent books, including Ruin Serpent, among others

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Yelan is a 5-star Hydro character who uses a bow and has a crit rate as her ascension stat. With a high base HP of 14450 at level 90, Yelan is said to be the first true HP scaling character where all her abilities are based on her max HP. She also has a 24.2% crit rate at level 80/90, which makes it to stack crit rate and crit damage.

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Gamers can refer to the chart below to learn more about the materials to ascend Yelan to level 90:

Ascension Level	List of Materials	Mora
Level 20	1x Varunada Lazurite Sliver 3x Starconch 3x Recruit's Insignia	20,000
Level 40	3x Varunada Lazurite Fragment 10x Starconch 15x Recruit's Insignia 2x Runic Fang	40,000
Level 50	6x Varunada Lazurite Fragment 20x Starconch 12x Sergeant's Insignia 4x Runic Fang	60,000
Level 60	3x Varunada Lazurite Chunk 30x Starconch 18x Sergeant's Insignia 8x Runic Fang	80,000
Level 70	6x Varunada Lazurite Chunk 45x Starconch 12x Lieutenant's Insignia 12x Runic Fang	100,00
Level 80	6x Varunada Lazurite Gemstone 60x Starconch 24x Lieutenant's Insignia 20x Runic Fang	120,00

Players will also need additional materials and talent books from the domains to max out Yelan’s talents. Consult the following chart to learn more about the required resources:

Talent Level	List of Resources	Mora
2	3x Teachings of Prosperity, 6x Recruit's Insignia	12,500
3	2x Guide to Prosperity, 3x Sergeant's Insignia	17,500
4	4x Guide to Prosperity, 4x Sergeant's Insignia	25,000
5	6x Guide to Prosperity, 6x Sergeant's Insignia	30,000
6	9x Guide to Prosperity, 9x Sergeant's Insignia	37,500
7	4x Philosophies of Prosperity 4x Lieutenant's Insignia 1x Gilded Scale	120,000
8	6x Philosophies of Prosperity 6x Lieutenant's Insignia 1x Gilded Scale	260,000
9	12x Philosophies of Prosperity 9x Lieutenant's Insignia 2x Gilded Scale	450,000
10	16x Philosophies of Prosperity 12x Lieutenant's Insignia 2x Gilded Scale 1x Crown of Insight	700,000

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The above chart displays the number of resources required to max out one talent in Yelan. Hence, to max out all her talents, players will need:

Teachings of Prosperity x 9
Guide to Prosperity x 63
Philosophies of Prosperity x 114
Recruit's Insignia x 18
Sergeant's Insignia x 66
Lieutenant's Insignia x93
Gilded Scale x 18
Crown of Insight x 3
4,957,500 Mora

Genshin Impact 2.7: Where to farm for Yelan’s ascension materials and talent books

Varunada Lazurite

There are three normal bosses that players must fight to collect Varunada Lazurite as the boss drops. They are:

Hydro Hypostasis
Primo Geovishap
Rhodeia of Loch

Starconch

Starconch are Liyue Specialities that can be found near the shores and beaches of Liyue. Players can also buy 5 Starconches from Bolai, an NPC who owns a Boutique shop located under the wharf of Liyue Harbor.

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Runic Fang

Runic Fang is a new character ascension material dropped by Ruin Serpent. Ruin Serpent is a normal boss that can be found in The Serpent's Cave of The Chasm: Underground Mines, Liyue. Keep in mind that players must complete the World Quest "Surreptitious Seven-Star Seal Sundering" to unlock Ruin Serpent.

Recruit’s / Sergeant’s / Lieutenant’s Insignia

Common Ascension Material from Fatui agents (Image via Genshin Impact)

This is a common ascension material that can also be crafted through alchemy. It is dropped by the following enemies:

Fatui Skirmishers
Fatui Cicin Mages
Fatui Pyro Agents

Teachings / Guide / Philosophies of Prosperity

Prosperity Talent Books (Image via HoYoverse)

These are Liyue-based talent books that can be farmed from Taishan Mansion. Players can complete the talent domain on Mondays, Thursdays, and Sundays to collect Prosperity talent books.

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Gilded Scale

Gilded Scale can be collected from Azhdaha, a weekly boss located in the Beneath the Dragon-Queller trounce domain. Trounce domain rewards can be collected once a week, so players should prioritize these to make sure they have enough when they obtain Yelan.