A katar imbued with rune magic.

Critical +5
Increases damage of Eternal Slash by 15%.

For each 2 Refine Levels:
ATK +25, ATK +1%.

For each 3 Refine Levels:
Increases damage of Eternal Slash by additional 5%.

Refine Level +7:
Increases critical damage by 20%.

Refine Level +9:
Critical +15, C.RATE +5.

Refine Level +11:
Increases damage of Eternal Slash by additional 15%.

When equipped with Time Dimensions Rune Crown (Shadow Cross):
Increases damage of Impact Crater by 45%.
Increases melee physical damage by 15%.

If the Weapon and Headgear's Grade are A or higher:
Increases damage of Eternal Slash by additional (the sum of refine level)%.
Increases Phantom Menace skill cooldown by 5 seconds.
Increases Rolling Cutter skill cooldown by 2 seconds.

Casting Phantom Menace has a chance to auto cast the higher Level learned Rolling Cutter.

Casting Rolling Cutter has a chance to auto cast Level 1 Impact Crater.
(If you learned a higher Level, it will auto cast that Level instead.)

[Bonus by Grade]
[Grade D]: P.ATK +5
[Grade C]: Damage of Eternal Slash +15%
[Grade B]: Melee physical damage +10%.
[Grade A]: P.ATK +3 per 2 Refine Levels.