[Orphalesion]

Originally Posted by Belegorn

In the BoLT 2 "did Melko threaten Meglin with the torment of Balrogs" [ch. 3, p. 170] & "the torment wherewith he was threatened cowed his spirit" [Sil., ch. 23, p. 299], however, Melkor did weave about Maeglin, "the spell of bottomeless dread" [BoLT 2, ch. 3, p. 171] in which "dread possessed him that Melko was ever at hand" as he left to take his place again among the Elves, "Morgoth sent him back to Gondolin, lest any should suspect the betrayal, and so that Maeglin should aid the assault from within" [Sil.,ch. 23, p. 299].

Ah yes, thank you that's what I remembered. Of course there was no spell of bottomless dread in the later stories. I'm a huge fan of the BoLT version of the mythology so I sometimes get the two version mixed up.