Calcharo Ascension Materials & Farming Guide

To fully ascend Calcharo to Lv. 90 and max out the forte board you need 60 Iris, 46 Thundering Tacet Core, 26 Monument Bell (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
Crude Ring	29
Basic Ring	40
Improved Ring	52
Tailored Ring	61
Thundering Tacet Core	46
Monument Bell	26
Iris	60
Waveworn Residue 210	25
Waveworn Residue 226	28
Waveworn Residue 235	55
Waveworn Residue 239	67
Shell Credit	2,200,000

Calcharo ascension materials

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

Level	Shell Credits	Materials
20 → 40	5,000	Crude Ring ×4
40 → 50	10,000	Thundering Tacet Core ×3 Iris ×4 Basic Ring ×4
50 → 60	15,000	Thundering Tacet Core ×6 Iris ×8 Basic Ring ×8
60 → 70	20,000	Thundering Tacet Core ×9 Iris ×12 Improved Ring ×4
70 → 80	40,000	Thundering Tacet Core ×12 Iris ×16 Improved Ring ×8
80 → 90	80,000	Thundering Tacet Core ×16 Iris ×20 Tailored Ring ×4
Total	170,000	every material, once each (table below)

Total calcharo ascension materials

Material	Total
Crude Ring	4
Basic Ring	12
Improved Ring	12
Tailored Ring	4
Thundering Tacet Core	46
Iris	60
Shell Credit	170,000

Calcharo 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	Crude Ring ×10 Waveworn Residue 210 ×10
Lv. 3	10,000	Crude Ring ×15 Waveworn Residue 210 ×15
Lv. 4	22,500	Basic Ring ×10 Waveworn Residue 226 ×10
Lv. 5	30,000	Basic Ring ×15 Waveworn Residue 226 ×15
Lv. 6	80,000	Improved Ring ×10 Waveworn Residue 235 ×15
Lv. 7	150,000	Improved Ring ×15 Monument Bell ×5 Waveworn Residue 235 ×25
Lv. 8	250,000	Tailored Ring ×10 Monument Bell ×5 Waveworn Residue 239 ×10
Lv. 9	350,000	Tailored Ring ×15 Monument Bell ×5 Waveworn Residue 239 ×15
Lv. 10	500,000	Tailored Ring ×20 Monument Bell ×5 Waveworn Residue 239 ×30
Total	2,030,000	every material, once each (table below)

Total calcharo forte materials

Material	Total
Crude Ring	25
Basic Ring	28
Improved Ring	40
Tailored Ring	57
Monument Bell	26
Waveworn Residue 210	25
Waveworn Residue 226	28
Waveworn Residue 235	55
Waveworn Residue 239	67
Shell Credit	2,030,000

Stat bonus and single-rank nodes

Nodes	Shell Credits	Materials
Single-rank nodes (×5)	30,000	Basic Ring ×3 Improved Ring ×3 Monument Bell ×2 Waveworn Residue 226 ×3 Waveworn Residue 235 ×3
Stat bonus nodes, tier 1 (×4)	200,000	Improved Ring ×12 Waveworn Residue 235 ×12
Stat bonus nodes, tier 2 (×4)	400,000	Tailored Ring ×12 Monument Bell ×4 Waveworn Residue 239 ×12

Where to farm Calcharo's materials

Iris

Local specialty. Found at Overworld routes.

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

Thundering Tacet Core

Boss drop. Found at Thundering Mephis (world boss).

Claim the reward for 60 Waveplates.

Crude Ring

Enemy drop. Found at Tacet Discords across the overworld.

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

Waveworn Residue 210

Forgery Challenge. Found at Forgery Challenge.

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

Monument Bell

Weekly boss. Found at Bell-Borne Geochelone (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 Iris does Calcharo 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 Monument Bell does Calcharo 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 Thundering Tacet Core drop for Calcharo?

From Thundering Mephis, the world boss; claim the reward for 60 Waveplates.

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

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? Calcharo's stats, skills, passives and resonance chains live on the Calcharo kit page.