Attribute and Damage Type

Every unit has a set of Attributes, which determine the unit's armour type, and in turn define the unit's strengths and weaknesses to other units.

Every unit has one and only one Main Attribute from the two categories: The armour type of the unit is determined by the combination of the two Main Attributes:
 * 1) The unit is either Light or Armoured.
 * 2) The unit is either Biological, Psychic or Mechanical.

In addition, the unit can take on other Extra Attributes: While most units have a Normal attack type which does not deal any extra damage to any armour type, all other attack types deal extra damage to one other Main Attribute (also referred to as +Attribute attacks):
 * 1) The unit may be an Ancient unit.
 * 2) The unit may be a Building.
 * 3) The unit may be a Detector (does not affect combat).
 * Pierce attacks deal extra damage to Light units.
 * Magic attacks deal extra damage to Psychic units.


 * Chaos attacks deal extra damage to Biological units.


 * Hero attacks deal extra damage to Armoured units.

With the exception of Fortified armour, an attack type which counters an armour type has 1.5x increased damage.
 * Siege attacks deal extra damage to Mechanical units.

The relationship between Attack types and Armour types can be depicted in the table below:

Understanding attack and armour types when building a composition is key, as attribute advantages can easily secure a skirmish win. This becomes especially important in the mid to late game as late tech switches can result in a quick loss.