The Prosperine Arcana
(Rule)Description: All models with the Character and Psyker Unit Sub-types in a Thousand Sons Detachment must select one Minor Arcana upgrade from the following options during army selection, before the beginning of the battle.
If a unit includes more than one model with the Character Unit Sub-tpe then all those models must select the same upgrade from this special rule. No model may have or use more than one option from this special rule, unless another special rule specifically states that they can: (BS NOTE: use named power selected- Athanaen, Cordivae, Pavoni, Pyrae or Raptora)