Armor (sometimes called "AC" or "Armor Class") is a character stat indicating how well armored your character is. Armor can have positive and negative values. The higher the number usually the better protected you will be combat.
Armor can be increased and decreased though the use of equipment and spells.
Things that increase armor
Things that decrease armor
Armor doesn’t reduce damage in all cases there are spells and skills that partially or fully bypass the effectiveness of armor. Also if your opponent has a high hitroll they are better skilled at cutting through and bypassing your armor.
Type armor or show armor or brag armor