Do gigais have that function? Sounds plausible, wish they'd explain their use better. I wonder if the user can choose a gigai that doesn't match their physical appearance? ie, Matsumoto with a C-cup instead of a ZZZ-cup, or Hitsugaya in a grown man's body instead of his runt size.

Do you think the rule about limiting lieutenant and higher ranked people's powers by half in the real world is still in effect? If so, that would really weaken the Shinigamis' abilities.