Rolling Cross Booster Katar

Item ID 610013 Name Rolling Cross Booster Katar
A Katar designed to help adventurers grow.
_______________________
Cannot be refined normally.
_______________________
Critical +15
_______________________
For each Refine Level:
ATK +3
_______________________
For each 15 Base Level:
ATK +3 (Applies up to Base Level 195)
_______________________
Refine Level +7:
For each Level of Advanced Katar Mastery:
Increases Melee Physical Damage by 2%.
_______________________
Refine Level +9:
Decreases After Skill Delay by 5%.
Increases damage of Cross Impact and Rolling Cutter by 25%.
_______________________
Refine Level +11:
Decreases After Skill Delay by additional 10%.
Increases Physical Damage against enemies of every size by 15%.
_______________________
Refine Level +13:
Increases damage of Cross Impact and Rolling Cutter by additional 15%.
_______________________
Type: Katar
Attack: 200
Weight: 0
Weapon Level: 4
_______________________
Requirement:
Base Level 100
Guillotine Cross
Weapon Level 4 Identifier RC_B_Katar
Attack 200 Type Weapon - Katar
MATK 0 Equip Locations Two-Handed
Defense 0 Equippable Jobs Assassin
Range 1 Equip Gender Both (Male and Female)
Slots 0 Equip Upper Third, Third Upper, Third Baby
Weight 0 Min Equip Level 100
NPC Buy 0 Max Equip Level None
NPC Sell 0 Refineable Yes
Credit Price None Trade restriction Can't be dropped, Can't be traded with player, Can't be put in Cart, Can't be put in Storage, Can't be put in Guild Storage, Can't be attached in Mail, Can't be auctioned
Item Script 
.@r = getrefine();
bonus bCritical,15;
bonus bBaseAtk,3*.@r+3*(min(BaseLevel,195)/15);
if (.@r>=7) {
   bonus bShortAtkRate,getskilllv("ASC_KATAR")*2;
}
if (.@r>=9) {
   bonus bDelayrate,-5;
   bonus2 bSkillAtk,"GC_CROSSIMPACT",25;
   bonus2 bSkillAtk,"GC_ROLLINGCUTTER",25;
}
if (.@r>=11) {
   bonus2 bAddSize,Size_All,15;
   bonus bDelayrate,-10;
}
if (.@r>=13) {
   bonus2 bSkillAtk,"GC_CROSSIMPACT",15;
   bonus2 bSkillAtk,"GC_ROLLINGCUTTER",15;
}