Ruka’s Material Anthem: Finding Echoes in the Tidal Roar
In the resonant ocean, Ruka, the new 5-star Resonator, is about to make her debut, like an unfinished poem waiting for players’ strokes. To make this poem more complete, we need to collect her materials so that she can shine gloriously in the game. These materials are like scattered seashells on the beach, each carrying the whispers of the ocean, waiting to be discovered.
Ruka’s Ocean of Materials
To level Ruka up from 0 to 90 and unlock all her circuits, the following materials are required:

LF Howler Core: 29
MF Howler Core: 40
HF Howler Core: 52
FF Howler Core: 61
Eternal Glory: 46
The Netherworld’s Stare: 26
Blood Leaf Quince: 60
Waveworn Residue 210: 25
Waveworn Residue 226: 28
Waveworn Residue 235: 55
Waveworn Residue 239: 67
Special Resonance Catalyst: 122
Shell Coins: 3,053,300

Ruka’s Exclusive Weapon: Flame Scar
Ruka’s exclusive weapon, Flame Scar, also requires the following materials to be upgraded from level 0 to 90:

LF Whispering Core: 6
MF Whispering Core: 6
HF Whispering Core: 10
FF Whispering Core: 12
Waveworn Residue 210: 6
Waveworn Residue 226: 8
Waveworn Residue 235: 6
Waveworn Residue 239: 20
Shell Coins: 330,000

Ruka’s Breakthrough Song
To level Ruka up from 0 to 90, the following materials are required:

LF Howler Core: 4
MF Howler Core: 12
HF Howler Core: 12
FF Howler Core: 4
Eternal Glory: 46
Blood Leaf Quince: 60
Shell Coins: 170,000

Ruka’s Circuit Journey
The materials required for Ruka’s circuits are as follows:

LF Howler Core: 25
MF Howler Core: 28
HF Howler Core: 40
FF Howler Core: 57
The Netherworld’s Stare: 26
Waveworn Residue 210: 25
Waveworn Residue 226: 28
Waveworn Residue 235: 55
Waveworn Residue 239: 67
Shell Coins: 2,030,000

How to Obtain These Materials?

Waveworn Residues can be obtained by completing Condensed Reality Domains.
The Netherworld’s Stare can be obtained through…