--
Cedric destroyed the drill that the cult used to siphon energy from the leylines.
He also incinerated all of the demon eggs including the ones that are feeding on the grieving man's family. He had sent them away to Acala with a prayer and with the blessing of solar energy to restore their spiritual integrity. Within Acala's afterlife, no hurt will reach them.
The grieving man watched it all and was relieved that Cedric kindly saved his family from a damned fate. And for the last act of humanity in him, he followed Cedric's advice. He wrote a note that was sent to the City Lord detailing everything that happened before asking Cedric to end his life.
...which Cedric did because he's the one who offered it in the first place.