Pacifying

This rune turns weapons into instruments of peacemaking.
Activate [reaction{t}] (Mental) command;
Trigger You damage a creature with a pacifying
weapon; Effect The damaged creature must
succeed at a DC 20 Will save or be pacified. A
pacified creature takes a -2 penalty to attack rolls
on any attacks that aren't nonlethal for 1 minute,
and the creature also experiences a clear psychic
warning that they should stop dealing
lethal damage.