There's a nod in answer to her thanks, but nothing else. Lahabrea sees no need to add anything further and so he does not. That much of his focus is also on his spellwork also contributes, but he's ever been inclined to not say anything more than is necessary.

It's only a moment later, as Rosie steps forward, that the intellect devourer does in fact explode. And though Lahabrea is able to swiftly see to the scattered flames that result, he cannot do anything about the psionic wave, nor the memories that it carries along with it.