As its name suggests, it is particularly effective against beast units, which include the following:
- Horse-mounted units (Cavalier, Troubadour, Sky Knight, Paladin, Great Knight, Bow Knight, Dark Knight, Strategist)
- Peagsus-mounted units (Falcon Knight, Kinshi Knight)
- Beast units (Kitsune, Nine-Tails, Wolfskin, Wolfssegner)
Effective against horse and beast units; ineffective otherwise.