Development Materials is the seventh category tab in the Backpack. Items in this category can be used to level and ascend or tune Resonators, Weapons, and Echoes. They are typically rewards for defeating Enemies and completing Challenges.
List of Development Materials[]
There are 5 Item Types that go into this tab in the Backpack:
Echo Development Material[]
Main article: Echo Development Material
Materials used to level and tune Echoes.
Weapon and Skill Material[]
Main article: Weapon and Skill Material
Materials used to upgrade Resonators skills and ascend Weapons upon reaching their current maximum level.

Adagio Helix
Andante Helix
Basic Ring
Cadence Blossom
Cadence Bud
Cadence Leaf
Cadence Seed
Crude Ring
Extracted Phlogiston
FF Howler Core
FF Polygon Core
FF Tidal Residuum
FF Whisperin Core
Flawless Phlogiston
Heterized Metallic Drip
HF Howler Core
HF Polygon Core
HF Tidal Residuum
HF Whisperin Core
Improved Ring
Impure Phlogiston
Inert Metallic Drip
Lento Helix
LF Howler Core
LF Polygon Core
LF Tidal Residuum
LF Whisperin Core
Mask of Constraint
Mask of Distortion
Mask of Erosion
Mask of Insanity
MF Howler Core
MF Polygon Core
MF Tidal Residuum
MF Whisperin Core
Polarized Metallic Drip
Presto Helix
Reactive Metallic Drip
Refined Phlogiston
Tailored Ring
Waveworn Residue 210
Waveworn Residue 226
Waveworn Residue 235
Waveworn Residue 239
Resonator Ascension Material[]
Main article: Resonator Ascension Material
Materials used to ascend Resonators upon reaching their current maximum level.

Abyssal Husk
Blazing Bone
Blighted Crown of Puppet King
Cleansing Conch
Elegy Tacet Core
Gold-Dissolving Feather
Group Abomination Tacet Core
Hidden Thunder Tacet Core
Mysterious Code
Platinum Core
Rage Tacet Core
Roaring Rock Fist
Sound-Keeping Tacet Core
Strife Tacet Core
Thundering Tacet Core
Topological Confinement
Truth in Lies
Unfading Glory
See also: Ascension Material
Resonator EXP Material[]
Main article: Resonator EXP Material
Materials used to raise a Resonator's level.
Skill Upgrade Material[]
Main article: Skill Upgrade Material
Advanced materials used to upgrade higher levels of a Resonator's Skills.
Other Languages[]
| Language | Official Name |
|---|---|
| Development Materials | |
| 资源 | |
| 資源 | |
| リソース | |
| 자원 | |
| Ressource | |
| Entwicklungsmaterialien | |
| Materiales de Mejora |


























































































































































































