At the start of the enemy's turn, each enemy unit that is within 12" of one or more Contorted Epitomes and has Line of Sight to it must pass a Psychology test. If failed, that unit may not move in the Movement phase this turn.
Source: Warhammer Armies Project: Unofficial 9th Edition
At the start of the enemy's turn, each enemy unit that is within 12" of one or more Contorted Epitomes and has Line of Sight to it must pass a Psychology test. If failed, that unit may not move in the Movement phase this turn.