Damage against the lightly-armored Tier 1 units increased substantially. Tier 1 units do half damage against forts, factories, and Zhon builders. Second-level attack does double damage to dragons. Many siege units can now move up and down hills and inclines. Many units received additional abilities to make them more useful.
Goblins are now tinkerers, who do additional damage against siege weapons and factories.
Skiffs can now repair nearby ships. The Rictus can now move over water. Ghouls and Black Knights are more intimidating, doing more damage and having more hit points. Veruna Crusader, Taros Blade Demons, and Aramon Barbarian changed to do double damage to units designated Tier1 damage category. Aramon Titan changed to do double damage to buildings, which reflects their giant size and strength.