He appears as one of Gawain's rescuers in the story of the Dolorous Tower in the Vulgate Cycle.

The authors of the Vulgate Cycle used the Grail as a symbol of divine grace.

The Lancelot section of the vast Vulgate Cycle, which introduces the new Grail hero, Galahad.

Volumes 1-4 contain the Vulgate Cycle proper.

The work became the inspiration for the later Vulgate Cycle of Arthurian tales.

The Vulgate Cycle reworked Boron's original tale.

He participates in a number of adventures early in the Vulgate Cycle, and sometimes even does heroic deeds.

The Prose Lancelot or Vulgate Cycle includes passages of that period.

The Prose Merlin later came to serve as a sort of prequel to the vast Lancelot-Grail, also known as the Vulgate Cycle.

Morgan's role is greatly expanded in the 13th-century Lancelot-Grail (Vulgate Cycle) and the subsequent works inspired by it.