In studying the Waveworn Phenomenon, scientists discovered Tacetite - a substance that can permanently hold Remnant Energy.
When modified, it becomes a potent energy weapon for Resonators, able to harm the Tacet Discord.
Transdimensional spaces where Remnant Energy is abundant are known as the Sonoro Spheres (Chinese: 索诺拉).
Other Languages[]
| Language | Official Name | Literal Meaning |
|---|---|---|
| English | Tacetite | — |
| Chinese (Simplified) | 黑石 Hēishí | Black Stone |
| Chinese (Traditional) | 黑石 Hēishí | Black Stone |
| Japanese | 黒石 Kuroishi | Black Stone |
| Korean | 흑석 Heugseog | Black Stone |
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