All damage has a specific type. This classification is used by many skills and armor insignia to determine when their effects come into play. Such effects are often in the form of extra or reduced armor and also give damage reduction against a particular damage type. Many monsters have unseen monster only skills that makes them vulnerable or resistant to certain damage.
 Damage types
- Elemental damage
- Physical damage
- Chaos damage
- Dark damage
- Holy damage
- Shadow damage
 Typeless damage
Some skills have no listed type. If a skill's description does not specify a damage type, it generally inflicts typeless damage.
 Armor-ignoring damage
Some sources of damage ignore armor, including all skills which inflict shadow damage, most skills which inflict holy damage and many skills which inflict typeless damage.
|Elemental damage||Cold damage • Earth damage • Fire damage • Lightning damage|
|Physical damage||Blunt damage • Piercing damage • Slashing damage|
|Miscellaneous||Chaos damage • Dark damage • Holy damage • Shadow damage|