Cerastus Knight Castigator

In your Shooting phase, after this model has shot, select one unit (excluding MONSTERS and VEHICLES) hit by one or more of those attacks. Until the start of your next turn, while this model is on the battlefield, that enemy unit is suppressed. While a unit is suppressed, each time a model in that unit makes an attack, subtract 1 from the Hit roll.

While a model is affected by this ability, its ranged weapons have the [SUSTAINED HITS 1] ability and the Armour Penetration characteristic of its ranged weapons is improved by 1.

This model has a 5+ invulnerable save against ranged attacks.

While this model has 1-8 wounds remaining, subtract 5 from this models Objective Control characteristic and each time this model makes an attack, subtract 1 from the Hit roll.