"Had I thought of it sufficiently earlier to prepare another day -- were I not doing this now, in hopes of producing visible progress on escaping this trap of a planet, and against fear of our [god] abandoning us for lost without the [Bag] -- I could have asked for two of [Cultural Adaptation], and given you one with [Imbue with Spell Ability]. It was a wise request, but not possible in this moment; I have used the only one I had."
"Do not be distracted by the languages I share with you; you will have a full day to ponder them later."
Share Language (Taldane, Infernal, Draconic). Esta doesn't think Merrin had Draconic, actually, though he forgets what language she had instead. But possibly the more languages in her mind that aren't Dark Tapestry, the better.