Enchantments are extra features on an items that will boost your character. This can range from an additional attribute point to extra skills or a %bonus on armor, HP or Power.
On each item, up to four enchantments can be placed or found, though none can be removed.
There are four different levels of enchantments: White: Most Common. These are enchantments that are natural to some items. Templar armor usually have a +X defense on all special attacks.
Featured: +Special attack defense
Green: Uncommon/enchanced. These are fairly common enchantments though not very powerful.
Featured: +X attribute +X Luck +X% Damage of a type. +X Defense against an elemental attack +X Attack strength of an elemental attack
Blue: Rare enchantments. These might contain the previous enchantments at higher level, but can also contain extra skills.
Featured: +X skill level
Orange: Legendary. The good stuff. Able to contain the previous at higher values, Legendary enchantments have these additional options:
+X% Hit Points +X% Armor