The screching noises the Ungoliant spits out at him might be words, though not words that have ever been uttered by a mortal tounge before.

Maedhros does not want to get in the way of either of these beings, Alastor had not seemed like much to him at first but he sees now that he could be a very real threat if he wished to be. And he has not exactly been in the bestt form even before he jumped to his death and ended up in this place, so he simply shakes his head.

"I will be more hinderance than help... do as you wish."