Yinlin Ascension Materials & Farming Guide

To fully ascend Yinlin to Lv. 90 and max out the forte board you need 60 Coriolus, 46 Group Abomination Tacet Core, 26 Dreamless Feather (weekly boss), plus the enemy and forgery series below: 2,200,000 Shell Credits in total (170,000 + 2,030,000).

At a glance

Material	Total
LF Whisperin Core	29
MF Whisperin Core	40
HF Whisperin Core	52
FF Whisperin Core	61
Group Abomination Tacet Core	46
Dreamless Feather	26
Coriolus	60
Lento Helix	25
Adagio Helix	28
Andante Helix	55
Presto Helix	67
Shell Credit	2,200,000

Yinlin ascension materials

Ascension moves Yinlin from level 20 to 90 in six breaches. Every row is the cost of one breach:

Level	Shell Credits	Materials
20 → 40	5,000	LF Whisperin Core ×4
40 → 50	10,000	Group Abomination Tacet Core ×3 Coriolus ×4 MF Whisperin Core ×4
50 → 60	15,000	Group Abomination Tacet Core ×6 Coriolus ×8 MF Whisperin Core ×8
60 → 70	20,000	Group Abomination Tacet Core ×9 Coriolus ×12 HF Whisperin Core ×4
70 → 80	40,000	Group Abomination Tacet Core ×12 Coriolus ×16 HF Whisperin Core ×8
80 → 90	80,000	Group Abomination Tacet Core ×16 Coriolus ×20 FF Whisperin Core ×4
Total	170,000	every material, once each (table below)

Total yinlin ascension materials

Material	Total
LF Whisperin Core	4
MF Whisperin Core	12
HF Whisperin Core	12
FF Whisperin Core	4
Group Abomination Tacet Core	46
Coriolus	60
Shell Credit	170,000

Yinlin forte materials

The forte board is five main nodes (each leveling 1 → 10), four tier-1 and four tier-2 stat nodes, and five single-rank nodes. The per-level rows sum the five main nodes:

Level	Shell Credits	Materials
Lv. 2	7,500	LF Whisperin Core ×10 Lento Helix ×10
Lv. 3	10,000	LF Whisperin Core ×15 Lento Helix ×15
Lv. 4	22,500	MF Whisperin Core ×10 Adagio Helix ×10
Lv. 5	30,000	MF Whisperin Core ×15 Adagio Helix ×15
Lv. 6	80,000	HF Whisperin Core ×10 Andante Helix ×15
Lv. 7	150,000	HF Whisperin Core ×15 Dreamless Feather ×5 Andante Helix ×25
Lv. 8	250,000	FF Whisperin Core ×10 Dreamless Feather ×5 Presto Helix ×10
Lv. 9	350,000	FF Whisperin Core ×15 Dreamless Feather ×5 Presto Helix ×15
Lv. 10	500,000	FF Whisperin Core ×20 Dreamless Feather ×5 Presto Helix ×30
Total	2,030,000	every material, once each (table below)

Total yinlin forte materials

Material	Total
LF Whisperin Core	25
MF Whisperin Core	28
HF Whisperin Core	40
FF Whisperin Core	57
Dreamless Feather	26
Lento Helix	25
Adagio Helix	28
Andante Helix	55
Presto Helix	67
Shell Credit	2,030,000

Stat bonus and single-rank nodes

Nodes	Shell Credits	Materials
Single-rank nodes (×5)	30,000	MF Whisperin Core ×3 HF Whisperin Core ×3 Dreamless Feather ×2 Adagio Helix ×3 Andante Helix ×3
Stat bonus nodes, tier 1 (×4)	200,000	HF Whisperin Core ×12 Andante Helix ×12
Stat bonus nodes, tier 2 (×4)	400,000	FF Whisperin Core ×12 Dreamless Feather ×4 Presto Helix ×12

Where to farm Yinlin's materials

Coriolus

Local specialty. Found at Overworld routes.

Grows in the wild and respawns every couple of days; interactive-map routes cover a full loop.

Group Abomination Tacet Core

Boss drop. Found at Mech Abomination (world boss).

Claim the reward for 60 Waveplates.

LF Whisperin Core

Enemy drop. Found at Tacet Discords across the overworld.

The Whisperin Core series drops from matching enemies; the Synthesizer converts lower tiers into higher ones.

Lento Helix

Forgery Challenge. Found at Forgery Challenge.

Open days rotate through the week, so check the Guidebook before spending Waveplates.

Dreamless Feather

Weekly boss. Found at Dreamless (weekly challenge).

Three reward claims per week, so the full 26 takes about nine weeks.

Shell Credit

Currency. Found at Simulation Training, quests and events.

About 2.2 million Shell Credits in total: 170,000 for ascension and 2,030,000 for the full forte board.

FAQ

How many Coriolus does Yinlin need?

60 in total: 4 at the first breach, then 4, 8, 12, 16 and 20 at each breach up to level 90.

How many Dreamless Feather does Yinlin need?

26: twenty for the main forte nodes at levels 7 to 10, four for the tier-2 stat nodes and two for the single-rank nodes.

Where does Group Abomination Tacet Core drop for Yinlin?

From Mech Abomination, the world boss; claim the reward for 60 Waveplates.

How many Shell Credits does it take to fully build Yinlin?

About 2.2 million: 170,000 for ascension from level 20 to 90 and 2,030,000 for the entire forte board.

Planning the full build? Yinlin's stats, skills, passives and resonance chains live on the Yinlin kit page.