Upgrade I
Atk ＋23, [Venom Knife] Damage increases by 5%

1
1
500
5 50 50000

Upgrade II
Atk ＋24, when you have learned Lv.10 [Katar Mastery], Atk ＋10

1
2
6
550 60 50000

Upgrade III
Atk ＋24, when you have learned Lv.10 [Katar Mastery], Atk ＋10

600
80
1
3 8 50000

Upgrade IV
Atk ＋24, when you have learned Lv.10 [Katar Mastery], Atk ＋20

1
650
90
9 3 50000

Upgrade V
Atk ＋24, [Grimtooth] Dmg increases by 30%

1
80
8
650 2 50000

Upgrade VI
Atk ＋45

1
60
3
6 700 50000

Upgrade VII
Atk ＋45, ＋10% [Venom Knife] Damage

1
750
80
8 4 50000

Upgrade VIII
Atk ＋45, [Grimtooth] Dmg ＋20%

1
4
800
8 80 50000

Upgrade IX
Atk ＋47, STR ＋5; when refining ＋10, deals ＋15% Dmg to Poisoned targets.

1
900
9
90 4 50000

Crown [1] Blueprint
Osiris Card
5 Evil Horn
Bloody Rune
Transformation Scroll (Osiris)
After Christmas
Oridecon
Yggdrasil Berry
2163 Zeny
Army Knife [2]
Armlet of Obedience
12 Pet EXP Potion (S)
5 Pet EXP Potion (M)
2 Pet EXP Potion (L)
3 Adventure Meatball
Bunny Band (Isis) Blueprint
Matyr's Leash
Blood Tears [1]

Crown [1] Blueprint
Osiris Card
5 Evil Horn
Bloody Rune
Transformation Scroll (Osiris)
After Christmas
Oridecon
Yggdrasil Berry
2163 Zeny
Army Knife [2]
Matyr's Leash
Blood Tears [1]

Crown [1] Blueprint
Osiris Card
5 Evil Horn
Bloody Rune
Transformation Scroll (Osiris)
After Christmas
Oridecon
Yggdrasil Berry
2163 Zeny
Army Knife [2]
Mithril Stone
2 Mithril Stone
3 Mithril Stone
Matyr's Leash
Blood Tears [1]
300 Honor Proof