Unit Tag

This is how the game classifies units. The engine uses this information to decide bonus damage and spell target filtering.

Overview
Unit Tags are used to classify groups of units for balance purposes and clarity. For example, a unit's attack can deal bonus damage to Light units. Another example would be the Ghost's ability Lockdown, which only works on Mechanical or Robotic units. Each unit has an Armor Tag and Class Tag. Structures merely have the Structure Tag, with the exception of Structures with combat capabilities.

Armor Tags
Armor tags are also used to clarify the exact amount of Armor a unit starts the game with, prior to any Armor upgrades being researched. Units with the Light, Medium, and Heavy tags have zero, one, and two starting Armor, respectively.

Class Tags
Class Tags don't serve any other function than splitting units into groups, unlike the Armor Tag. They exist purely for allowing spells or bonus damage to differentiate between types of units. The five Class Tags are: Biological, Mechanical, Robotic, Psionic, and Static Defense.

Description Tag


In KoL, units have a more informative description than in vanilla SC2. This tag clarifies unit roles and strengths for learning players. Also listed are the weapons, abilities, and spells a unit has.