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 Deft Stab and Chasing Break 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 global cooldown by 10%.

When equipped with Sky Chasing Dagger, increases Deft Stab damage by 45%, increases hit physical damage by 15%,
if the sum of refine rate of Sky Rune Crown (Abyss Chaser) and Sky Chasing Dagger is 24 or higher, and grade of each is A or higher, and Deft Stab is learned at level 10 or higher,
reduces skill cooldown of Chasing Break by 0.3 seconds,
when using Chasing Break, auto-cast Deft Stab level 10.

[Bonus by grade]
[Grade D] P.ATK + 5.
[Grade C] Increases Deft Stab 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: Abyss Chaser