Judge Hat combination method is explained in this Combination Scroll.

[Required materials]
Taeguk Plate 150 ea.
Zelunium 30 ea.

[Korean Judge Hat(1)]
Hat of famous judge.
Reduces variable cast time of all skills by 6%. Reduces after attack delay by 6%.
Refine Level +7:
MDEF +2. Reduces damage taken from Demihuman monsters by 2%.

[Swordman,Merchant,Thief,Monk,Taekwon]
Every 2 refine levels: ATK +1%.
[Mage,Acolyte,Soul Linker,Ninja]
Every 2 refine levels: MATK +1%.
[Archer,Gunslinger]
Every refine level: Ranged physical attack +1%.

When VIP status active: All Stats +1, Reduces damage taken from Demihuman monsters by 10%.