ROTATE ION SHIELDS

Use this Stratagem when an enemy unit targets
an IMPERIAL KNIGHTS VEHICLE unit from
your army that has an invulnerable save (this Stratagem costs 3 CPs if the targeted unit is a
DOMINUS CLASS unit, otherwise it costs 1
CP). Until the end of the phase, that
vehicle units invulnerable save is improved by
1 (to a maximum of 4+).