Every 2 refine rate, ATK + 3, HIT + 5.
Every 3 refine rate, ATK + 2%, increases melee physical damage by 1%, increases hit physical damage by 3%.
Every 4 refine rate, increases Sky Moon and Star Light Kick damage by 5%.
If refine rate is 7 or higher, increases melee physical damage by 10%.
If refine rate is 9 or higher, P.ATK + 5.
If refine rate is 11 or higher, reduces SP consumption of skills by 10%.

When equipped with Sky Moon Book, increases Sky Moon damage by 45%, increases hit physical damage by 15%,
if the sum of refine rate of Sky Rune Crown (Sky Emperor) and Sky Moon Book is 24 or higher, and grade of each is A or higher, and Sky Moon is learned at level 5 or higher,
reduces skill cooldown of Star Light Kick by 0.25 seconds,
when using Star Light Kick, auto-cast Sky Moon level 5.

[Bonus by grade]
[Grade D] P.ATK + 5.
[Grade C] Increases Sky Moon damage by 15%.
[Grade B] Increases physical damage against all size enemies by 10%.
[Grade A] Increases physical damage against all property enemies by 10%.
Class: Headgear Defense: 50
Location: Upper Weight: 0
Armor Level: 2
Required Level: 240
Jobs: Sky Emperor