[1] In contrast the Immram, though containing mythological story elements, are set in post-pagan Ireland, and the main protagonist is Christian,[2] and the journey is usually by sea.
[3] A point of contention in absolute definition exists in the case of "Immram Brain maic Febail".
[1]), as well as a cognate for the Latin extra,[4] The modern and middle Irish language word is eachtra.
[5] Though Echtrai often involve a journey to an otherworld, the exact destination or journey can vary - voyages take place by sea in Echtrae Conli; in a journey underneath a lake in Echtrae Laegairi; or into a fairy mound (Sidhe) in Echtrae Nerai;[1] alternatively the story may not include such a journey but instead involve an interaction with otherworldly beings : in Echtrae Nerai, set on Samhain, the hero Nera sees prophetic visions whilst in the presence of a hanged man;[3] whilst in Echtra Mac nEchach Muid-medóin, the hero Níall gains the sovereignty of Ireland by kissing a hag guarding a well.
[3] Lists compiled from (Dumville 1976), (Duignan 2010) : There are also visits to the otherworld undertaken by the hero Cuchulainn, including : Forfess Fer Fálgae, Fled Bricrenn ocus Loinges mac nDuil Dermait, and Compert Con Culainn