All units with the Undead special rule have the Animated Construct, Fear, and Unstable special rules. However, they may make march moves if they are within 12" of the army's General.
Source: Warhammer Armies Project: Unofficial 9th Edition
All units with the Undead special rule have the Animated Construct, Fear, and Unstable special rules. However, they may make march moves if they are within 12" of the army's General.