He may now prepare for re-entry. When we ponder the mindset of one who speaks lashon hora, we discover a characteristic of his personality that for some is probably the primary factor that motivates them to disparage others. They think they endear themselves to people when they are the primary source of information. They feel that people want to engage them in conversation because they will provide them with something interesting to talk about. To a certain extent and for a short term, he is probably correct.
People enjoy, and some even thrive on gossip about others.
He is dangerous. He is destructive. He is sick. He may be the delight of the evening, but he is never someone we choose to invite to our home or with whom we associate on a regular basis. People with a modicum of refinement would fare well to distance themselves from the slanderer.