Imperial Knights model only. While a friendly Adeptus Mechanicus unit is within 6" of this model, that Adeptus Mechanicus unit’s melee attacks have +1 WS and AP.
Friendly Imperial Knights models have the following ability:
Assisted Targeting (Aura): While a friendly Adeptus Mechanicus unit is within 6" of this model, that Adeptus Mechanicus unit’s ranged attacks have:
+1 BS.
[Heavy]. Friendly Tech‑Priest models have the following ability:
Sacristan Pledge: In your Command phase, you can select one friendly Imperial Knights model within 3" of this model that has not been selected by this ability this phase. If you do, that model heals D3 wounds.
Mechanicus Allies: You can include Tech‑Priest Dominus/Tech‑Priest Manipulus/Marshal/Rangers/Vanguard units in your army (see Codex: Adeptus Mechanicus). The combined points value of such units cannot exceed 500 points.
Imperial Knights model only. While a friendly Adeptus Mechanicus unit is within 6" of this model, that Adeptus Mechanicus unit’s melee attacks have +1 WS and AP.
Tech‑Priest model only. When using this model’s Sacristan Pledge ability, the selected Imperial Knights model heals 2 additional wounds.
That Adeptus Mechanicus unit.
Your Movement phase, when a friendly Adeptus Mechanicus unit is selected to make an advance/fall‑back move.
That move does not prevent your unit from being eligible to start an action.
One friendly Adeptus Mechanicus unit.
Any phase, when a friendly Imperial Knights Titanic unit is destroyed by an enemy unit.
That enemy unit is marked until the end of the battle:
That Imperial Knights unit.
Any phase, when a friendly Imperial Knights unit suffers a mortal wound.
Your unit has Feel No Pain 5+ against mortal wounds.