Armor

+4	First visual effect of small glowing fairy*
+6	Visual effect fairy grows brighter* +500 to character's weight allowance
+8	Visual effect fairy glows brighter* +10 to character's physical defense
+10	+5 to character's magical defense
+15	A bigger fairy is added

*For armor, to get a fairy, chest piece, glove, pants, and boots must all have the same or higher level upgrade. Ex: +5 chest, +4 pants, +4 boots, +6 gloves would have a +4 effect fairy.

Weapons

+4	First visual effect weapon gains a soft white glow
+6	Visual effect changes, weapon gains a soft glow of class color Physical weapons gain +6 attack value Magical weapons gain +4 magical attack value
+8	Visual effect changes, weapon gains a brighter sparkly class color* Melee weapons gain 3% attack rate Ranged/magical weapons gain an additional 2m range
+10	Visual effect changes, weapon gains the brightest sparkly class color* Increased chance of critical hits

*Class color is the color associated with a certain class. Class colors are as follows:

Healer - Green

Knight - Blue

Mage - Purple

Rogue - Yellow Orange

Sorcerer - Pink/Cerise

Titan - Red