May only be cast against an enemy unit engaged in hand-to-hand combat. The unit must take an immediate Break test. Even if they pass the test they suffer -1 to hit in their next hand-to-hand combat round.
Source: Warhammer Fantasy: 4th Edition
May only be cast against an enemy unit engaged in hand-to-hand combat. The unit must take an immediate Break test. Even if they pass the test they suffer -1 to hit in their next hand-to-hand combat round.