If a person who speaks lashon hara loses the merit of his Torah and mitzvot, do they return when he repents?

This source-based Torah study examines: If a person who speaks lashon hara loses the merit of his Torah and mitzvot, do they return when he repents? It follows the canonical Hebrew discussion through the parasha and classical Jewish sources. This localized discovery layer is a concise summary rather than a full translation of the article; practical, halakhic, medical, legal, historical, mystical or empirical claims remain source-framed and subject to the canonical review status.