Contemptor-Achillus Dreadnought

Each time this model is selected to fight, you can select one enemy unit within Engagement Range of it and roll one D6, adding 2 to the result if it made a Charge move this turn: on 4-5, hat enemy unit suffers D3 mortal wounds; on a 6+, that enemy suffers 3 mortal wounds.

5+

While an ADEPTUS CUSTODES unit is within 6" of this unit, models in that unit have the Feel No Pain 5+ ability against Psychic Attacks and mortal wounds.

While an ANATHEMA PSYKANA unit is within 6" of this unit, each time a model in that ANATHEMA PSYKANA unit makes an attack, add 1 to the Hit roll.