Black Ylem Core

  • Spell Tier Access: Tiers 1–2.
  • Can be inscribed with a Tier 1 or 2 spell using the Rune Stone Theory ability.
  • Requires Novice Runic Crafting ability
  • Locks construct to Artificer's element

Teal Ylem Core

  • Element: Wielder's.
  • Soul Cost: 8 Soul per shot.
  • Spell Tier Access: Tier 5.
  • Requires Heavy Cannon Frame when used for rune cannon.
  • Can be inscribed with a Tier 5 or lower spell using the Rune Stone Theory ability. When inscribed, fires the stored spell effect instead of raw elemental force; the spell's Soul cost applies instead of the listed cost. Only a mage of the matching element can recharge a depleted inscribed core.

Clear Ylem Core

  • Element: Wielder's.
  • Soul Cost: 10 Soul per shot.
  • Spell Tier Access: Tier 6.
  • Requires Heavy Cannon Frame when used for rune cannon.
  • Can be inscribed with a Tier 6 or lower spell using the Rune Stone Theory ability. When inscribed, fires the stored spell effect instead of raw elemental force; the spell's Soul cost applies instead of the listed cost. Only a mage of the matching element can recharge a depleted inscribed core.

Silver Ylem Core

  • Element: Wielder's.
  • Soul Cost: 6 Soul per shot.
  • Spell Tier Access: Tier 4.
  • Can be inscribed with a Tier 4 or lower spell using the Rune Stone Theory ability. When inscribed, fires the stored spell effect instead of raw elemental force; the spell's Soul cost applies instead of the listed cost. Only a mage of the matching element can recharge a depleted inscribed core.

Gray Ylem Core

  • Element: Wielder's.
  • Soul Cost: 4 Soul per shot.
  • Spell Tier Access: Tier 3.
  • Can be inscribed with a Tier 3 or lower spell using the Rune Stone Theory ability. When inscribed, fires the stored spell effect instead of raw elemental force; the spell's Soul cost applies instead of the listed cost. Only a mage of the matching element can recharge a depleted inscribed core.

Black Ylem Core

  • Element: Wielder's.
  • Soul Cost: 2 Soul per shot.
  • Spell Tier Access: Tiers 1-2.
  • Can be inscribed with a Tier 1 or 2 spell using the Rune Stone Theory ability. When inscribed, fires the stored spell effect instead of raw elemental force; the spell's Soul cost applies instead of the listed cost. Only a mage of the matching element can recharge a depleted inscribed core.