Mortefi Ascension Materials & Farming Guide

To fully ascend Mortefi to Lv. 90 and max out the forte board you need 60 Coriolus, 46 Rage 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
LF Whisperin Core	29
MF Whisperin Core	40
HF Whisperin Core	52
FF Whisperin Core	61
Rage Tacet Core	46
Monument Bell	26
Coriolus	60
Impure Phlogiston	25
Extracted Phlogiston	28
Refined Phlogiston	55
Flawless Phlogiston	67
Shell Credit	2,200,000

Mortefi ascension materials

Ascension moves Mortefi 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	Rage Tacet Core ×3 Coriolus ×4 MF Whisperin Core ×4
50 → 60	15,000	Rage Tacet Core ×6 Coriolus ×8 MF Whisperin Core ×8
60 → 70	20,000	Rage Tacet Core ×9 Coriolus ×12 HF Whisperin Core ×4
70 → 80	40,000	Rage Tacet Core ×12 Coriolus ×16 HF Whisperin Core ×8
80 → 90	80,000	Rage Tacet Core ×16 Coriolus ×20 FF Whisperin Core ×4
Total	170,000	every material, once each (table below)

Total mortefi ascension materials

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

Mortefi 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 Impure Phlogiston ×10
Lv. 3	10,000	LF Whisperin Core ×15 Impure Phlogiston ×15
Lv. 4	22,500	MF Whisperin Core ×10 Extracted Phlogiston ×10
Lv. 5	30,000	MF Whisperin Core ×15 Extracted Phlogiston ×15
Lv. 6	80,000	HF Whisperin Core ×10 Refined Phlogiston ×15
Lv. 7	150,000	HF Whisperin Core ×15 Monument Bell ×5 Refined Phlogiston ×25
Lv. 8	250,000	FF Whisperin Core ×10 Monument Bell ×5 Flawless Phlogiston ×10
Lv. 9	350,000	FF Whisperin Core ×15 Monument Bell ×5 Flawless Phlogiston ×15
Lv. 10	500,000	FF Whisperin Core ×20 Monument Bell ×5 Flawless Phlogiston ×30
Total	2,030,000	every material, once each (table below)

Total mortefi forte materials

Material	Total
LF Whisperin Core	25
MF Whisperin Core	28
HF Whisperin Core	40
FF Whisperin Core	57
Monument Bell	26
Impure Phlogiston	25
Extracted Phlogiston	28
Refined Phlogiston	55
Flawless Phlogiston	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 Monument Bell ×2 Extracted Phlogiston ×3 Refined Phlogiston ×3
Stat bonus nodes, tier 1 (×4)	200,000	HF Whisperin Core ×12 Refined Phlogiston ×12
Stat bonus nodes, tier 2 (×4)	400,000	FF Whisperin Core ×12 Monument Bell ×4 Flawless Phlogiston ×12

Where to farm Mortefi'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.

Rage Tacet Core

Boss drop. Found at Inferno Rider (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.

Impure Phlogiston

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 Coriolus does Mortefi 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 Mortefi 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 Rage Tacet Core drop for Mortefi?

From Inferno Rider, the world boss; claim the reward for 60 Waveplates.

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

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