The words bring a small smile to his face. Not for the content, but that he finally has someone who understands.

It would purify it and expel pristine aether. This ability would take some experimentation for it to function properly, but it is doable with perseverance and ambition.

At least speaking it is not an issue. The Shades of Amaurot spoke in his language, and he had been able to listen to them chatter as he walked through the city. There is also the matter of Hythlodaeus' shade which he would converse with regularly. Which would...go unmentioned.

There were books in the phantom city too, of course, though he had less of a reason to read them. He did on occasion. It had been some time since.