Every 2 refine rate, MATK + 5.
Every 3 refine rate, MATK + 2%, increases shadow property magical damage by 2%.
Every 4 refine rate, increases Soul Vulcan Strike and Mystery Illusion damage by 5%.
If refine rate is 7 or higher, increases ghost and shadow magical damage by 10%.
If refine rate is 9 or higher, S.MATK + 5.
If refine rate is 11 or higher, reduces fixed casting time by 0.5 seconds.

When equipped with Sky Dead Soul, increases Mystery Illusion and Astral Strike damage by 40%,
if the sum of refine rate of Sky Rune Crown (Arch Mage) and Sky Dead Soul is 24 or higher, and grade of each is A or higher, and Astral Strike is learned at level 10 or higher,
reduces skill cooldown of Soul Vulcan Strike by 0.2 seconds, increases Astral Strike damage by 20%, increases neutral property magical damage by 15%.

[Bonus by grade]
[Grade D] S.MATK + 5.
[Grade C] Increases ghost, neutral, and shadow property magical damage by 10%.
[Grade B] Increases magical damage against all size enemies by 10%.
[Grade A] Increases magical damage against all property enemies by 10%.
Class: Headgear Defense: 50
Location: Upper Weight: 0
Armor Level: 2
Required Level: 240
Jobs: Arch Mage