Enchantments & affinities

Enchantments

An enchantment is an extra line on an item, like "Attack +5%". Every piece of gear has two enchantment slots.

Drops of item level 40 and up can arrive with enchantments already on them.
Lucia the Augur rolls new ones: pick one slot or both, pay once, and the new lines replace the old at once. A slot you do not pick is kept.
An enchantment has its own rarity, separate from the item's. An Elite item can roll a Common line and a Common item an Elite one. Rarer lines are rarer to roll.
Each enchantment can only land on certain slots, and the strongest effects have limits on how far they stack.
An enchantment belongs to its item; it never moves to another one.

All enchantments

The game shows each one by its effect; "x" is the number rolled.

Common

Attack +x%
Defense +x%
Max HP +x%
Attack Speed +x%
Stun Resistance +x%
Accuracy +x%

Rare

Stun Chance +x%
Crit Resistance +x%
Block Chance +x%
Dodge Chance +x%
Damage vs [affinity] +x%
Resistance vs [affinity] +x%

Epic

Crit Chance +x%
Crit Damage +x%
Crit Damage Taken -x%
First Turn: Attack Speed +x%
Below 30% HP: Defense +x%

Legendary

Below 20% HP: Attack +x%
First Turn: Attack +x%
After Dodge: Attack +x% next turn
Below 30% HP: Damage Taken -x%

Elite

On Crit: Heal x% of damage dealt
First Turn: Crit Chance +x%
First Turn: Dodge Chance +x%
Below 20% HP: Damage Taken -x%
Crit Damage Taken -x%
Below 20% HP: Defense +x%

Affinities

There are four affinities: Fire, Ice, Shadow and Sun. They are a way to specialise, not a rock-paper-scissors wheel.

On gear: a Weapon or Gloves with an affinity deal more damage to foes of that affinity ("Dmg vs Ice"). A Helmet, Armor or Shield with one takes less damage from it ("Ice Resist").
Your own affinity is your Armor's (the Chest). The Sanctum bosses carry their Sanctum's affinity, and so do other players by what they wear.
Combat skills have Fire, Ice, Shadow and Sun branches. Attack skills grow stronger with a matching Weapon, defense skills with a matching Armor. Fire and Ice oppose each other, as do Shadow and Sun, so an opposed piece weakens them. Steel skills work the same in any gear.
Doctrines are passive webs per affinity that only act when you wear that affinity.

Where affinity comes from: drops from item level 30 (most are neutral), Sanctum drops (already attuned), and Morta the Soulbinder, who infuses, deepens and changes it with Essence from the Sanctums.