If your army is Battle-forged, you cannot include units from two different brotherhoods in the same Detachment. You can find out more about brotherhoods here.Įxample: If you include a Grand Master in your army, and you decide he is from the 4th Brotherhood, the Prescient Brethren, his keyword becomes PRESCIENT BRETHREN and his Rites of Battle ability reads ‘While a friendly PRESCIENT BRETHREN CORE unit is within 6' of this model, each time a model in that unit makes an attack, re-roll a hit roll of 1.’

The different Brotherhood keywords you can select from are: SWORDBEARERS BLADES OF VICTORY WARDMAKERS PRESCIENT BRETHREN PRESERVERS RAPIERS EXACTORS SILVER BLADES. When you include such a unit in your army, you must nominate which brotherhood it is from and then replace the keyword in every instance on its datasheet with the name of your chosen brotherhood. With a few notable exceptions, all GREY KNIGHTS units are drawn from a brotherhood. This is a keyword that you can select for yourself, as described in the Warhammer 40,000 Core Book, with the guidance detailed below. The majority of datasheets in this faction have the keyword.