One of the ninja swords used by ninjas who were good at sword art in the past.
Seeing it with a sharpened blade, it began to show its natural strength.
It must be equipped with the other ninja sword, Surudoi Kaze, in order to demonstrate its true ability, and it seems to resonate with the Great Hero's Boots.

When equipped with Surudoi Kaze:
For each 3 refine levels: ATK +15.
For each 5 refine levels: ATK +3%.

If total refine level of entire set at least +14:
Increases damage of Cross Slash by 30%.
Decreases Cross Slash skill cooldown by 2 seconds.

If total refine level of entire set at least +16:
Enables the use of Distorted Cresent, skill Level based on learned Level of Shadow Trampling.
Enables the use of Shadow Trampling, skill Level based on learned Level of Distorted Cresent.

If total refine level of entire set at least +18:
Increases physical damage against all property enemies by 15%.

If total refine level of entire set at least +20:
Increases damage of Cross Slash by 25%.

When equipped with Surudoi Kaze and Great Hero's Boots:
DEX +10, ATK +7%.

[iRO Description]
One of the knife used by ninjas who are good at dual sword.
From the sharp edge of the knife, he started to show his natural power.
It seems to resonate with the boots of the great hero.

When equipped with Sharp Wind Sword,
ATK + 15 when sum of refine rates is higher than 3.
ATK + 3% when sum of refine rates is higher than 5.
When sum of refine rates is higher than 14, increase damage of increase damage of Cross Strike by 30%, reduce its cool time by 2 sec.
When sum of refine rates is higher than 16, player can cast Kagehumi as much as distorted Zangetsu skill level, can cast Zangatsu as much as distorted Kagehumi skill level.
When sum of refine rates is higher than 18, increase physical damage to all property enemies by 15%.
When sum of refine rates is higher than 20, increase damage of Cross Strike by 25%.
When equipped with Great Hero's Boots and Sharp Wind Sword, DEX + 10, ATK + 7%.
Type: Knife Attack: 190
Weapon Level: 4
Required Level: 150
Class: NinjaType