Failinis: Failinis is a mythological hound from Irish literature, originally belonging to Lugh Lámhfhada of the Tuatha Dé Danann and later associated with the Fenian Cycle.

Failinis - Failinis is integral to narratives involving Lugh and the reparations from the sons of Tuireann, marking the intersection of divine retribution and cultural migration in Irish myth.

Failinis

Failinis - Failinis is integral to narratives involving Lugh and the reparations from the sons of Tuireann, marking the intersection of divine retribution and cultural migration in Irish myth.

Failinis is a mythological hound from Irish literature, originally belonging to Lugh Lámhfhada of the Tuatha Dé Danann and later associated with the Fenian Cycle. It served as one of the eric items exacted from the sons of Tuireann, emphasizing its ceremonial significance. This hound embodies a storied blend of divine reparation and cultural migration in Irish myth.

Origins & First Encounters

Source Texts & Tale Variants

Form & Powers

Regional Faces

Cultural Parallels

Legacy & Modern Evolution

Interesting Fact

Failinis uniquely bridges two major Irish myth cycles, representing divine reparation and the movement of mythic groups, making it a rare and symbolically potent figure in Celtic lore.

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Quick Creature Info

Our Mythic Legendary Rating:

Mythic Ember
Mythic Ember rating

Also Sometimes Known As:

Shalinnis

Habitat:

Tuatha Dé Danann and Fenian mythic landscapesMythological cycle settingsIruaith and IrelandOriginated in Iruaith and later became a part of Irish mythMythological realmsOriginally Iruaith, later Ireland

Supernatural Powers:

Enhanced loyaltySupernatural tracking

Physical Attributes:

Hound-whelp originMythological significanceLoyalVigilantEnhanced senses

Abilities:

Keen sense of smellAgilityDivine associationMythological longevity

Behavior:

Loyal and vigilantProtective and obedient, reflecting its divine ownership

Lore:

Mythological companion and reparation item associated with divine and heroic cyclesIrish Mythological Cycle and Fenian CycleFailinis is integral to narratives involving Lugh and the reparations from the sons of Tuireann, marking the intersection of divine retribution and cultural migration in Irish myth

Related Creatures, Tales or Lore

References

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Curated by the Mythological Creatures Team (rev. May 2025)