In of Merlin , titled " The Gates of Avalon ," the story revolves around a dangerous encounter with the Sidhe, a race of supernatural beings. The Core Plot
: Sophia uses a love spell to lead an entranced Arthur to the Lake of Avalon. Merlin follows them and discovers the truth after witnessing Aulfric summon blue-winged Sidhe Elders from the water. Merlin - Season 1 Episode 7
: Aulfric and Sophia are Sidhe who were exiled from Avalon for murder. To regain Sophia's immortality and passage back to Avalon, they must sacrifice the soul of a mortal prince—Arthur—to the Sidhe Elders. In of Merlin , titled " The Gates
: It is the first time the show explicitly addresses Morgana’s "gift". Gaius admits to Merlin that Morgana is a Seer with the power of prophecy, but he keeps it a secret to protect her from Uther’s hatred of magic. : Aulfric and Sophia are Sidhe who were
