Claire sprite Spoiler Alert: This wikia contains details about future plotlines described in the light novels. Do not proceed unless you want to be spoiled.

Rinslet Attention!: This article is under revision, as it is lacking in purpose, under the wrong name, or needs a lot of changes.

Spirit Crystal is an ore mined from Astral Zero.


It is refined to the point where it can retain spirits within it through sealing. The highest rated stones are called Blood Stones.


Spirit Crystals come in many shapes and sizes, and has a variety of uses depending on the spirit sealed within. In battle, crystals with strong powerful spirits can be used offensively while a weaker one could be use as a distraction. Aside from battle uses, they are important parts of many instruments and accessories. In many places, they are also used as decorations.

Elementalists usually carry around some handy Spirit Crystals.


They can be classified into their purposes and usages.

  1. Healing
  2. Cooking
  3. Lightning
  4. Communication
  5. Warming Themselves


  • There are Spirit Crystals that can seal memories inside. They are ones that could confine the scene in one's memory by putting divine power into it. Ellis has one with her memory of Ren Ashbell and her sister Velsaria Eva Fahrengart sealed inside.