Units within 6" of the Tower of Blood have the Hatred special rule. Units from the Forces of Destruction within 6" of the Tower of Blood also have the Frenzy special rule – as soon as a unit moves out of range, the Hatred/Frenzy is lost.
Source: Warhammer Armies Project
Units within 6" of the Tower of Blood have the Hatred special rule. Units from the Forces of Destruction within 6" of the Tower of Blood also have the Frenzy special rule – as soon as a unit moves out of range, the Hatred/Frenzy is lost.