For each 2 Levels of Hack and Slasher:
Increases physical damage against enemies of every race, except Players, by 1%.

When equipped with Rune Knight Stone(Upper):
For each 2 Levels of Two Handed Defense:
Increases physical damage against enemies of every size by 3%.

When equipped with Rune Knight Stone(Mid):
Increases damage of Hack and Slasher by 10%.

When equipped with Rune Knight Stone(Lower):
C.RATE +3.
Increases damage of Storm Slash by 15%.

[iRO Description]
For every 2 levels of [Hack and Slash], increases physical damage to all race enemies(excluding players) by 1%.
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Set Bonus:
Dragon Knight Stone (Garment)
Rune Knight Stone (Upper)

For every 2 levels of [Two-handed Defense], increases physical damage to all size enemies by 3%.
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Set Bonus:
Dragon Knight Stone (Garment)
Rune Knight Stone (Middle)

increases [Hack and Slash] damage by 10%.
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Set Bonus:
Dragon Knight Stone (Garment)
Rune Knight Stone (Lower)

C.RATE + 3, increases [Storm Slash] damage by 15%.