The immrama are identifiable by their focus on the exploits of the heroes during their search for the Otherworld, located in these cases in the islands far to the west of Ireland. The hero sets out on his voyage for the sake of adventure or to fulfill his destiny, and generally stops on other fantastic islands before reaching his destination. He may or may not be able to return home again.
Immram were first recorded as early as the 7th century by monks and scholars who fled Continental Europe before the barbarian invaders of the fifth century. These monks carried the learning of Western Europe and became the vanguard of the Christianizing of Europe. On this account it is expected that Immram have their origins in pre-existing Christian voyage literature, pre-existing Celtic legends, or classical stories the monks would have known. The origins of these stories are attributed to three sources of preexisting stories: Irish myths, Christian genres, and Classic Stories ... read more>>>....