Time Gap Wind Bow

Item ID 700108 Name Time Gap Wind Bow
A bow filled with magical power flowing from the gap of time.
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Critical +5
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Increases damage of Gale Storm by 15%.
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For each 2 Refine Levels:
ATK +25
ATK +1%
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For each 3 Refine Levels:
Increases damage of Gale Storm by additional 5%.
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Refine Level +7:
Increases Critical Damage by 20%.
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Refine Level +9:
Critical +15, C.RATE +5.
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Refine Level +11:
Increases damage of Gale Storm by additional 15%.
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When equipped with Time Dimensions Rune Crown (Windhawk):
Increases damage of Crescive Bolt by 15%.
Increases Ranged Physical Damage by 15%.

If the Weapon and Headgear's Grade are A or higher:
Increases damage of Gale Storm by 15%.
Decreases Gale Storm skill cooldown by 0.15 seconds.
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[Bonus by Grade]
[Grade D]: P.ATK +5
[Grade C]: Damage of Gale Storm +15%.
[Grade B]: Ranged Physical Damage +10%.
[Grade A]: P.ATK +3 per 2 Refine Levels.
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Type: Bow
Attack: 320
Weight: 210
Weapon Level: 5
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Requirement:
Base Level 250
Windhawk
Weapon Level 5 Identifier Time_Gap_WH_Bow
Attack 320 Type Weapon - Bow
MATK 0 Equip Locations Two-Handed
Defense 0 Equippable Jobs Hunter
Range 5 Equip Gender Both (Male and Female)
Slots 2 Equip Upper None
Weight 210 Min Equip Level 250
NPC Buy 0 Max Equip Level None
NPC Sell 0 Refineable Yes
Credit Price None Trade restriction None
Item Script 
.@g = getenchantgrade();
.@r = getrefine();
bonus bCritical,5;
bonus2 bSkillAtk,"WH_GALESTORM",15+5*(.@r/3);
bonus bAtkRate,(.@r/2);
bonus bBaseAtk,25*(.@r/2);
if (.@r>=7) {
   bonus bCritAtkRate,20;
   if (.@r>=9) {
      bonus bCRate,5;
      bonus bCritical,15;
      if (.@r>=11) {
         bonus2 bSkillAtk,"WH_GALESTORM",15;
      }
   }
}
if (.@g>=ENCHANTGRADE_D) {
   bonus bPAtk,5;
   if (.@g>=ENCHANTGRADE_C) {
      bonus2 bSkillAtk,"WH_GALESTORM",15;
      if (.@g>=ENCHANTGRADE_B) {
         bonus bLongAtkRate,10;
         if (.@g>=ENCHANTGRADE_A) {
            bonus bPAtk,3*(.@r/2);
         }
      }
   }
}

Set Script
Time Gap Wind Bow
Time Dimensions Rune Crown (Windhawk) 
bonus bLongAtkRate,15;
bonus2 bSkillAtk,"WH_CRESCIVE_BOLT",15;
if (getenchantgrade()>=ENCHANTGRADE_A) {
   bonus2 bSkillCooldown,"WH_GALESTORM",-150;
   bonus2 bSkillAtk,"WH_GALESTORM",15;
}