Psychic Shackles

Psychic Shackles has a warp charge value of 6. If
manifested, select one enemy unit within 18" of
and visible to this psyker. Until the start of your
next Psychic phase, halve the Move characteristic
(rounding up) of models in that unit, and when a
charge roll or Advance roll is made for that unit,
subtract 1 from that roll. A unit cannot be
affected by both this psychic power and the
Tenebrous Curse psychic power at the same time