Patent Shiver Katar

Item ID 610008 Name Patent Shiver Katar
Katar specially made to inflict lethal damage, it was once used by famous assassin in the past.
He recovered his former glory and began to display his natural abilities.
It resonates with Great Hero's Boots.
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For each 2 Refine Levels:
ATK +15
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For each 3 Refine Levels:
Increases Critical Damage by 4%.
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Refine Level +7:
Increases Critical Damage by additional 15%.
Increases Attack Speed (decreases After Attack Delay by 10%).
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Refine Level +9:
Increases Physical Damage against enemies of Demi-Human and Brute race by 25%.
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Refine Level +11:
Critical +15
Decreases Dark Claw skill cooldown by 10 sec.
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When equipped with Great Hero's Boots:
AGI +10
Increases Melee Physical Damage by 5%.
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Type: Katar
Attack: 225
Weight: 140
Weapon Level: 4
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Requirement:
Base Level 150
Guillotine Cross
Weapon Level 4 Identifier Up_Shiver_Katar_K
Attack 255 Type Weapon - Katar
MATK 0 Equip Locations Two-Handed
Defense 0 Equippable Jobs Assassin
Range 1 Equip Gender Both (Male and Female)
Slots 2 Equip Upper Third, Third Upper, Third Baby
Weight 140 Min Equip Level 150
NPC Buy 0 Max Equip Level None
NPC Sell 0 Refineable Yes
Credit Price None Trade restriction None
Item Script 
.@r = getrefine();
bonus bBaseAtk,.@r/2*15;
bonus2 bSkillAtk,"GC_CROSSIMPACT",.@r/3*10;
if (.@r>=7) {
   bonus bCritAtkRate,15;
   bonus bAspdRate,10;
}
if (.@r>=9) {
   bonus2 bAddRace,RC_Brute,25;
   bonus2 bAddRace,RC_DemiHuman,25;
   bonus2 bAddRace,RC_Player_Human,25;
   bonus2 bAddRace,RC_Player_Doram,25;
}
if (.@r>=11) {
   bonus bCritical,15;
   bonus2 bSkillCooldown,"GC_DARKCROW",-10000;
}

Set Script
Great Hero Boots
Patent Shiver Katar 
bonus bAgi,10;
bonus bShortAtkRate,5;
Ring of Unknown Hero (Guillotine)
Patent Shiver Katar 
bonus2 bAddRace,RC_All,8;
if (getequiprefinerycnt(EQI_HAND_R)>=11)
   bonus2 bSkillAtk,"GC_CROSSIMPACT",(readparam(bStr)+readparam(bLuk))/12;
[Not For Sale] Ring of Unknown Hero (Guillotine)
Patent Shiver Katar 
bonus2 bAddRace,RC_All,8;
if (getequiprefinerycnt(EQI_HAND_R)>=11)
   bonus2 bSkillAtk,"GC_CROSSIMPACT",(readparam(bStr)+readparam(bLuk))/12;