unio mystica

Unio mystica, Latin for "mystical union," refers to a profound spiritual experience of union with the divine or transcendent. In Christianity, this concept often involves the soul merging with God, losing its sense of separate existence. This experience was described as a "spiritual marriage" by St. Bernard of Clairvaux in the 12th century, and the term unio mystica came into use around the same time.12

Mystics often describe these experiences as ineffable, meaning they are difficult or impossible to express in human language. While some traditions emphasize oneness with the divine, others, like certain schools of Buddhism and Kabbala, focus on experiencing nothingness. The interpretation and significance of mystical experiences are debated among scholars, with some viewing them as core to personal religion and others as tied to specific religious traditions.314