Reviving and reincarnating the dead--altering their fate. It's a dark and forbidden path with which to tamper.

[If he himself has done or seen as much, if he knows someone else who can do as much, his face doesn't show it as he peers unwavering across the table at her.]

Kinjutsu. They violate the laws of the natural world. Practicing them won't bring anything but suffering, in most cases.

What happened?