Hats:

Rare(Non-prime)

Line Value
STR/DEX/INT/LUK +1 to +6
MaxHP/MaxMP/DEF +5 to +60
10% chance to show rage for 10 seconds when being attacked
10% chance to fall in love for 10 seconds when being attacked
10% chance to feel deeply moved for 10 seconds when being attacked
10% chance to show angry for 10 seconds when being attacked

Rare(Prime)/Epic(Non-prime)

Line Value
STR/DEX/INT/LUK +1 to +13
MaxHP/MaxMP/DEF +10 to +125
%STR/%DEX/%INT/%LUK +1% to +4%
%MaxHP/%MaxMP/%DEF +1% to +4%
All Stat +1 to +6

Epic (Prime) / Unique (Non-prime)

Line Value
%STR/%DEX/%INT/%LUK +2% to +7%
%DEF/%MaxHP/%MaxMP +2% to +7%
%All Stat +1% to +4%
Damage ignored as listed. % HP attacks not affected
20% chance to ignore monster damage dealt 5-39
30% chance to ignore monster damage dealt 7-53

Unique (Prime) / Legendary (Non-prime)

Line Value
%STR/%DEX/%INT/%LUK +3% to +10%
%MaxHP/%MaxMP/%DEF +6% to +12%
%All Stat +2% to +7%
Skills and Potion HP Recovery % Increase 10%-30%
5% chance to ignore 20% of monster damage dealt
5% chance to ignore 40% of monster damage dealt
Decent Mystic Door enabled

Legendary(Prime)

Line Value
%STR/%DEX/%INT/%LUK +6% to +13%
%MaxHP/%MaxMP/%DEF +6% to +12%
%All Stat +3% to +10%
Skills and Potion HP Recovery % Increase 20%-40%
10% chance to ignore 20% of monster damage dealt
10% chance to ignore 40% of monster damage dealt
Skill Cooldown -1 second
Skill Cooldown -2 second
Decent Advanced Bless enabled