This magic is a deterrent. I will not cast it recklessly.

You mean Angel was keeping them in check?

and his existence itself became a deterrent.

Because he's become a person who deters villains and evil?

You must be strong enough to fight crime.

Have the puppets join the soldiers that are guiding the citizens, as a deterrent.

Having made a pact with the Counter Force when alive, I became a Guardian after my death

and acted on behalf of humanity's Counter Force, fighting those who disrupted the world's balance.

I heard that, after their deaths, Guardians become part of the Counter Force that protects humanity.